[PRQ#50143] Deletion Request for libqaccessibilityclient-git

MarsSeed [1] filed a deletion request for libqaccessibilityclient-git [2]: Build with depends: 'qt6-base', 'extra-cmake-modules-git'. Remove all current provides and conflicts, and add only 'libqaccessibilityclient- qt6' to both. To be a drop-in alternative or new repo package: https://archlinux.org/packages/extra/x86_64/libqaccessibilityclient- qt6/ [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libqaccessibilityclient-git/