Revert "Allow installing downloaded APKs by tapping on notification"
Revert "Allow installing downloaded APKs by tapping on notification"

It seems like Google Play rejects app updates that use the
REQUEST_INSTALL_PACKAGES permission now.

This reverts commit 81e24c6ca2b6b59112c3aedece270454440b1d0a.

slapperwan/gh4a,slapperwan/gh4a