Revert "Enable Email lockscreen widget"
https://b.corp.google.com/issue?id=7488437#ISSUE_HistoryHeader13

This reverts commit 8c7f8d747c9d9c6267c72285c24db66cdb856bad

Change-Id: Idf12b445f751894e79b96dd0ee0a931d5a8bfcd5
2 files changed