[PRQ#67545] Deletion Request for bazel5

[notify]

MarsSeed [1] filed a deletion request for bazel5 [2]:

Unneeded, broken legacy version from 2022 of bazel (in extra repo).

[1] https://aur.archlinux.org/account/MarsSeed/
[2] https://aur.archlinux.org/pkgbase/bazel5/