Here's a list of VCS duplicates reported by `aurdupes -V`. I did not check for false positives. Maybe somebody can go through that list and either delete all obsolete packages or file deletion requests:

1pass (VCS) * 1pass-git http://aur.archlinux.org/packages/1pass-git/ * 1pass-hg http://aur.archlinux.org/packages/1pass-hg/ abc (VCS) * abc-git http://aur.archlinux.org/packages/abc-git/ * abc-hg http://aur.archlinux.org/packages/abc-hg/ abcl (VCS) * abcl-git http://aur.archlinux.org/packages/abcl-git/ * abcl-svn http://aur.archlinux.org/packages/abcl-svn/ arm-frc-linux-gnueabi-frcmake (VCS) * arm-frc-linux-gnueabi-frcmake-git http://aur.archlinux.org/packages/arm-frc-linux-gnueabi-frcmake-git/ * arm-frc-linux-gnueabi-frcmake-hg http://aur.archlinux.org/packages/arm-frc-linux-gnueabi-frcmake-hg/ blackbox (VCS) * blackbox-cvs http://aur.archlinux.org/packages/blackbox-cvs/ * blackbox-git http://aur.archlinux.org/packages/blackbox-git/ bmdc (VCS) * bmdc-bzr http://aur.archlinux.org/packages/bmdc-bzr/ * bmdc-git http://aur.archlinux.org/packages/bmdc-git/ boost-numeric-bindings (VCS) * boost-numeric-bindings-git http://aur.archlinux.org/packages/boost-numeric-bindings-git/ * boost-numeric-bindings-svn http://aur.archlinux.org/packages/boost-numeric-bindings-svn/ caff (VCS) * caff-git http://aur.archlinux.org/packages/caff-git/ * caff-svn http://aur.archlinux.org/packages/caff-svn/ cpu-g (VCS) * cpu-g-bzr http://aur.archlinux.org/packages/cpu-g-bzr/ * cpu-g-git http://aur.archlinux.org/packages/cpu-g-git/ daphne (VCS) * daphne-git http://aur.archlinux.org/packages/daphne-git/ * daphne-svn http://aur.archlinux.org/packages/daphne-svn/ dovecot2-antispam (VCS) * dovecot2-antispam-git http://aur.archlinux.org/packages/dovecot2-antispam-git/ * dovecot2-antispam-hg http://aur.archlinux.org/packages/dovecot2-antispam-hg/ drawterm (VCS) * drawterm-git http://aur.archlinux.org/packages/drawterm-git/ * drawterm-hg http://aur.archlinux.org/packages/drawterm-hg/ dsf2flac (VCS) * dsf2flac-git http://aur.archlinux.org/packages/dsf2flac-git/ * dsf2flac-svn http://aur.archlinux.org/packages/dsf2flac-svn/ electricsheep (VCS) * electricsheep-git http://aur.archlinux.org/packages/electricsheep-git/ * electricsheep-svn http://aur.archlinux.org/packages/electricsheep-svn/ git-remote (VCS) * git-remote-bzr http://aur.archlinux.org/packages/git-remote-bzr/ * git-remote-hg http://aur.archlinux.org/packages/git-remote-hg/ golded-plus (VCS) * golded-plus-cvs http://aur.archlinux.org/packages/golded-plus-cvs/ * golded-plus-git http://aur.archlinux.org/packages/golded-plus-git/ gsignond-plugin-lastfm (VCS) * gsignond-plugin-lastfm-bzr http://aur.archlinux.org/packages/gsignond-plugin-lastfm-bzr/ * gsignond-plugin-lastfm-git http://aur.archlinux.org/packages/gsignond-plugin-lastfm-git/ gvim (VCS) * gvim-git http://aur.archlinux.org/packages/gvim-git/ * gvim-hg http://aur.archlinux.org/packages/gvim-hg/ heirloom-doctools (VCS) * heirloom-doctools-cvs http://aur.archlinux.org/packages/heirloom-doctools-cvs/ * heirloom-doctools-git http://aur.archlinux.org/packages/heirloom-doctools-git/ heirloom-ex-vi (VCS) * heirloom-ex-vi-cvs http://aur.archlinux.org/packages/heirloom-ex-vi-cvs/ * heirloom-ex-vi-git http://aur.archlinux.org/packages/heirloom-ex-vi-git/ inferno (VCS) * inferno-git http://aur.archlinux.org/packages/inferno-git/ * inferno-hg http://aur.archlinux.org/packages/inferno-hg/ itk (VCS) * itk-cvs http://aur.archlinux.org/packages/itk-cvs/ * itk-git http://aur.archlinux.org/packages/itk-git/ libtermkey (VCS) * libtermkey-bzr http://aur.archlinux.org/packages/libtermkey-bzr/ * libtermkey-git http://aur.archlinux.org/packages/libtermkey-git/ lingot (VCS) * lingot-git http://aur.archlinux.org/packages/lingot-git/ * lingot-hg http://aur.archlinux.org/packages/lingot-hg/ makehuman (VCS) * makehuman-git http://aur.archlinux.org/packages/makehuman-git/ * makehuman-hg http://aur.archlinux.org/packages/makehuman-hg/ markmywords (VCS) * markmywords-bzr http://aur.archlinux.org/packages/markmywords-bzr/ * markmywords-git http://aur.archlinux.org/packages/markmywords-git/ midori (VCS) * midori-bzr http://aur.archlinux.org/packages/midori-bzr/ * midori-git http://aur.archlinux.org/packages/midori-git/ mozilla-firefox-sync-server (VCS) * mozilla-firefox-sync-server-git http://aur.archlinux.org/packages/mozilla-firefox-sync-server-git/ * mozilla-firefox-sync-server-hg http://aur.archlinux.org/packages/mozilla-firefox-sync-server-hg/ mtx (VCS) * mtx-git http://aur.archlinux.org/packages/mtx-git/ * mtx-svn http://aur.archlinux.org/packages/mtx-svn/ openbor (VCS) * openbor-git http://aur.archlinux.org/packages/openbor-git/ * openbor-svn http://aur.archlinux.org/packages/openbor-svn/ oscam (VCS) * oscam-git http://aur.archlinux.org/packages/oscam-git/ * oscam-svn http://aur.archlinux.org/packages/oscam-svn/ python (VCS) * python-git http://aur.archlinux.org/packages/python-git/ * python-svn http://aur.archlinux.org/packages/python-svn/ python-yt (VCS) * python-yt-git http://aur.archlinux.org/packages/python-yt-git/ * python-yt-hg http://aur.archlinux.org/packages/python-yt-hg/ pythonqt (VCS) * pythonqt-git http://aur.archlinux.org/packages/pythonqt-git/ * pythonqt-svn http://aur.archlinux.org/packages/pythonqt-svn/ rivet (VCS) * rivet-git http://aur.archlinux.org/packages/rivet-git/ * rivet-hg http://aur.archlinux.org/packages/rivet-hg/ ruby (VCS) * ruby-git http://aur.archlinux.org/packages/ruby-git/ * ruby-svn http://aur.archlinux.org/packages/ruby-svn/ smw (VCS) * smw-git http://aur.archlinux.org/packages/smw-git/ * smw-svn http://aur.archlinux.org/packages/smw-svn/ subtle (VCS) * subtle-git http://aur.archlinux.org/packages/subtle-git/ * subtle-hg http://aur.archlinux.org/packages/subtle-hg/ taxi (VCS) * taxi-bzr http://aur.archlinux.org/packages/taxi-bzr/ * taxi-git http://aur.archlinux.org/packages/taxi-git/ terra (VCS) * terra-bzr http://aur.archlinux.org/packages/terra-bzr/ * terra-git http://aur.archlinux.org/packages/terra-git/ translator (VCS) * translator-bzr http://aur.archlinux.org/packages/translator-bzr/ * translator-git http://aur.archlinux.org/packages/translator-git/ ufw (VCS) * ufw-bzr http://aur.archlinux.org/packages/ufw-bzr/ * ufw-git http://aur.archlinux.org/packages/ufw-git/ vapoursynth-plugin-sangnom (VCS) * vapoursynth-plugin-sangnom-git http://aur.archlinux.org/packages/vapoursynth-plugin-sangnom-git/ * vapoursynth-plugin-sangnom-hg http://aur.archlinux.org/packages/vapoursynth-plugin-sangnom-hg/ vlmcsd (VCS) * vlmcsd-git http://aur.archlinux.org/packages/vlmcsd-git/ * vlmcsd-svn http://aur.archlinux.org/packages/vlmcsd-svn/ waimea (VCS) * waimea-cvs http://aur.archlinux.org/packages/waimea-cvs/ * waimea-git http://aur.archlinux.org/packages/waimea-git/ wxlua (VCS) * wxlua-git http://aur.archlinux.org/packages/wxlua-git/ * wxlua-svn http://aur.archlinux.org/packages/wxlua-svn/ yoda (VCS) * yoda-git http://aur.archlinux.org/packages/yoda-git/ * yoda-hg http://aur.archlinux.org/packages/yoda-hg/