[NTP] Remove unsused IDS and CLASSES from local_ntp.js

Bug: None
Change-Id: I7e3aff5d30853dd8c38ab1c7f74c554b76faeef3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1618144
Reviewed-by: Gayane Petrosyan <gayane@chromium.org>
Commit-Queue: Kyle Milka <kmilka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#661117}
2 files changed