Revert "Add swipe gesture indicator for glanceable hub"

This reverts commit 07cbc24d31ab1888b5c581fc6897638ca6724acc.

Reason for revert: reverting as the experiment is over

Bug: 339667383
Test: N/A, revert
Flag: EXEMPT revert
Change-Id: I9fb381a6ade64eae1c6fbbeffdcc09bddc4a7692
8 files changed