Delete infra/config/cq.cfg.

LUCI says:

ERROR: cq.cfg is no longer used and has no effect.
       Please, delete cq.cfg in your repo.
ERROR: cq.cfg is replaced by commit-queue.cfg

TBR=tandrii@google.com

Change-Id: Ida9601c91619a985bb8d9e96ede3fef32633921b
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/55150
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
deleted file mode 100644
index b37628d..0000000
--- a/infra/config/cq.cfg
+++ /dev/null
@@ -1,140 +0,0 @@
-# See http://luci-config.appspot.com/schemas/projects/refs:cq.cfg for the
-# documentation of this file format.
-
-version: 1
-git_repo_url: "https://pdfium.googlesource.com/pdfium.git"
-cq_status_url: "https://chromium-cq-status.appspot.com"
-
-gerrit {}
-
-verifiers {
-  gerrit_cq_ability {
-     committer_list: "project-pdfium-committers"
-     dry_run_access_list: "project-pdfium-tryjob-access"
-  }
-
-  tree_status {
-    tree_status_url: "https://pdfium-status.appspot.com"
-  }
-
-  try_job {
-    try_job_retry_config {
-      try_job_retry_quota: 0
-    }
-
-    buckets {
-      name: "luci.pdfium.try"
-      builders {
-        name: "android"
-      }
-      builders {
-        name: "android_no_v8"
-      }
-      builders {
-        name: "linux"
-      }
-      builders {
-        name: "linux_asan_lsan"
-      }
-      builders {
-        name: "linux_msan"
-      }
-      builders {
-        name: "linux_no_v8"
-      }
-      builders {
-        name: "linux_skia"
-      }
-      builders {
-        name: "linux_skia_paths"
-      }
-      builders {
-        name: "linux_ubsan"
-      }
-      builders {
-        name: "linux_xfa"
-      }
-      builders {
-        name: "linux_xfa_asan_lsan"
-      }
-      builders {
-        name: "linux_xfa_component"
-      }
-      builders {
-        name: "linux_xfa_jumbo"
-      }
-      builders {
-        name: "linux_xfa_msan"
-      }
-      builders {
-        name: "linux_xfa_rel"
-      }
-      builders {
-        name: "linux_xfa_ubsan"
-      }
-      builders {
-        name: "mac"
-      }
-      builders {
-        name: "mac_no_v8"
-      }
-      builders {
-        name: "mac_skia"
-      }
-      builders {
-        name: "mac_skia_paths"
-      }
-      builders {
-        name: "mac_xfa"
-      }
-      builders {
-        name: "mac_xfa_component"
-      }
-      builders {
-        name: "mac_xfa_jumbo"
-      }
-      builders {
-        name: "mac_xfa_rel"
-      }
-      builders {
-        name: "win"
-      }
-      builders {
-        name: "win_asan"
-      }
-      builders {
-        name: "win_no_v8"
-      }
-      builders {
-        name: "win_skia"
-      }
-      builders {
-        name: "win_skia_paths"
-      }
-      builders {
-        name: "win_xfa"
-      }
-      builders {
-        name: "win_xfa_32"
-      }
-      builders {
-        name: "win_xfa_asan"
-      }
-      builders {
-        name: "win_xfa_component"
-      }
-      builders {
-        name: "win_xfa_jumbo"
-      }
-      builders {
-        name: "win_xfa_msvc"
-      }
-      builders {
-        name: "win_xfa_msvc_32"
-      }
-      builders {
-        name: "win_xfa_rel"
-      }
-    }
-  }
-}