Revert "App Circle Sidebar: Support for Configurable Trigger Region[2/2]"

This reverts commit 45fbea2695dd897b0b58743dc2384eb12957d2b1.
Revert "[2/2] Settings: Implement App circle sidebar"

This reverts commit 3c9f26c6a7f7f88d8bde5174d8b83bfba8d2b848.