Revert "Support highlightable Settings homepage menu for 2-pane"

This reverts commit 9037ceabd314f8d2b55144acffa780e7ba92291f.

Reason for revert: Presumed cause of b/202510128

Change-Id: I0daaab95d9bc57229c0c8c916cbe3ada7aafb6fa
18 files changed