Revert "PIE: clear all button"

This reverts commit 5445eaba8e70bd765b0fb05e2159bbb0e9552be1.
Revert "PIE: support for expandable notifications"

This reverts commit 4d373d49622a34c32ef6420679081b1f6564e1a2.
Revert "PIE: compressed layout, stubs, new defaults"

This reverts commit ff411ed7fa67361d9b6de2cc34183836cff23d47.
Revert "PIE: improved touchhandling, no emptyangle, better animations"

This reverts commit 86fd80072da7691b035499e6e2e35ed03085a3e3.