Remove fuchsia_x64 from CQ.
Remove fuchsia_x64 from CQ.

This test was failing due to patch errors. This could be because the
bot uses DEPS ANGLE instead of ToT. Removing the bot because it was
causing valid CLs to fail on the CQ.

Bug: angleproject:3146
Change-Id: I7b8b120160fe435832cba919c256ce185ade4d90
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1592602
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>

ppy/angle,ppy/angle,ppy/angle,ppy/angle