actually remove the builder from the cq

This s a follow-up to *actually* take win_chromium_x64_rel_ng out of
the CQ temporarily; the prior CL only added a comment :(.

More troubleshooting/workarounds for the golo net0work issues.

TBR=hinoka@chromium.org
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
BUG=753184

Change-Id: I8c82c1915a2621c87877d1a6dfde76dbacf38ef1
Reviewed-on: https://chromium-review.googlesource.com/611140
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Dirk Pranke <dpranke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#493536}

infra/config/cq.cfg

@@ -95,7 +95,7 @@ verifiers {
       builders { name: "win_chromium_compile_dbg_ng" }
       builders { name: "win_chromium_rel_ng" }
       # crbug.com/753184 - take out of the CQ temporarily.
-      builders { name: "win_chromium_x64_rel_ng" }
+      # builders { name: "win_chromium_x64_rel_ng" }
       builders { name: "win_clang" }
     }
   }