Moved committer list to chrome-infra-auth and deleted it from the repo

infra/branch-config/cq.cfg

 # Commit Queue configuration file. The documentation of the format can be found
 # at http://luci-config.appspot.com/schemas/projects/refs:cq.cfg.
 
 version: 1
 cq_name: "skia"
 cq_status_url: "https://chromium-cq-status.appspot.com"
 commit_burst_delay: 300
 max_commit_burst: 2
 
 rietveld {
   url: "https://codereview.chromium.org"
 }
 
 verifiers {
   reviewer_lgtm {
-    committer_list: "skia"
+    committer_list: "project-skia-committers"
     max_wait_secs: 21600  # 6 hours
     no_lgtm_msg: "No LGTM from a valid reviewer yet. Please ask for an LGTM "
-                 "from a\nfull Skia committer from\n"
-                 "https://skia.googlesource.com/skia/+/master/CQ_COMMITTERS"
+                 "from a\nfull Skia committer"
   }
 
   tree_status {
     tree_status_url: "https://skia-tree-status.appspot.com"
   }
 
   try_job {
     buckets {
       name: "client.skia"
       builders { name: "Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-Trybot" }
@@ skipping 11 matching lines @@
       builders { name: "Build-Win-MSVC-x86_64-Debug-Trybot" }
     }
     buckets {
       name: "client.skia.fyi"
       builders { name: "skia_presubmit-Trybot" }
     }
   }
 
   sign_cla {}
 }