Revert "Recents: Add blacklist interface"

This reverts commit 0dc91ff0bef8415a82ff09e0f3688333d9ba7a4f.
Revert "Keep app when opening floating window from recents panel"

This reverts commit ee9c53574ed34fab64d13dd170762e6f0246fe12.
Revert "Fix for launch app in floating mode from recents"

This reverts commit 48bde909b47f2e6d52fdf60d114a74fe244864f5.
Revert "Recents: Launch as Floating App"

This reverts commit 6174da1ad7271c8df25d8e7f7e98f20f16ed2b5a.