Remove hack code for without cross user permission

Refer to the comment of b/363324203, the launcher team is
doing some refactoring on their end which will happen in
the next two weeks. The hack code can be removed after
merging launcher team fix.

Flag: android.content.pm.remove_cross_user_permission_hack

Bug: 332664521
Test: atest PackageManagerMatchAnyUserFlagTest
Change-Id: I4b6b8383860d56ea257dc5bf676bbb0d1c39e1a1