Revert "Add toggles for two Software Cursor settings: keyboard shift and trigger"

This reverts commit 28b4b34f926c1a43bd280b63cac96800b1ad8771.

Reason for revert: Software Cursor is not launching in Android U

Test: manual

Change-Id: I213cf64ca94fce51883a30a9d6b734b4ed874dad
6 files changed