[aur-general] Deletion request: some scim packages

https://aur.archlinux.org/packages/fitx-svn svn repo gone, upstream seems also gone https://aur.archlinux.org/packages/scim-python maintainer inactive, fail to build (after fixing dependency) https://aur.archlinux.org/packages/scim-fcitx fail to build, maintainer inactive https://aur.archlinux.org/packages/scim-kmfl-imengine orphaned, fail to build,