[PRQ#62618] Deletion Request for libdcmtk12

MarsSeed [1] filed a deletion request for libdcmtk12 [2]: This legacy foreign binary library of this open-source code, as its former consumer, AUR/ibdicomscope-jni has been updated to require newer versions of dependencies. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libdcmtk12/