Revert "Add on-the-spot user preference dialog"

This reverts commit 75b4eb07c5ad2eb7916df2c59cc68c2d5d215804.
Revert "SystemUI: Swipe to float for notifications and recents (Part2)"

This reverts commit 85066b35c576989a32fe03b1178f56c575446cf3.
Revert "SystemUI: Extend swipe helper (Part1)"

This reverts commit b224b453b2fc1838d64bf676ec3b54894431fcf0.
Revert "Fix for Recents: floating app"

This reverts commit ce8dd159d83f2026070d2ec27c1aa602e26db4d4.
Revert "Recents: Launch as floating app"

This reverts commit 2d79f16b6f733cd9f547189ac394f2dd114f3ba7.