cellular: Remove obsolete network_LockedSIM test.

network_LockedSIM test is obsolete and replaced by network_SIMLocking test.

BUG=chromium:404003
CQ-DEPEND=CL:212515
TEST=Trybot run on paladin, release, and chromiumos-sdk builders.

Change-Id: I6076148eaac6a6a80774dbc27391900424e7e594
Reviewed-on: https://chromium-review.googlesource.com/212526
Reviewed-by: Thieu Le <thieule@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
2 files changed