Remove Rietveld CQ config.

Rietveld CQ has already been disabled and is no longer supoorted.

TBR=sergiyb@chromium.org

No-Try: True
Bug: chromium:770592
Change-Id: I4a5d44452edc09f9f69e092388f2414c0a5d0f4a
Reviewed-on: https://chromium-review.googlesource.com/716836
Commit-Queue: Derek Schuff <dschuff@chromium.org>
Reviewed-by: Derek Schuff <dschuff@chromium.org>
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index 041f47e..dd907d8 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -7,16 +7,8 @@
 git_repo_url: "https://chromium.googlesource.com/native_client/src/native_client.git"
 
 gerrit {}
-rietveld {
-  url: "https://codereview.chromium.org"
-}
-
 
 verifiers {
-  reviewer_lgtm {
-    committer_list: "project-nacl-committers"
-    dry_run_access_list: "project-nacl-tryjob-access"
-  }
   gerrit_cq_ability {
     committer_list: "project-nacl-committers"
     dry_run_access_list: "project-nacl-tryjob-access"