Remove infra/config directory because cq.cfg has been moved

https://webrtc-review.googlesource.com/119982 made it so that this cq.cfg has no effect.

TBR: phoglund@webrtc.org
Bug: chromium:916292
Change-Id: Ibe6bfa93b2099948c3bf7fee8ea551a595006def
Reviewed-on: https://webrtc-review.googlesource.com/c/120046
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Artem Titarenko <artit@webrtc.org>
Commit-Queue: Oleh Prypin <oprypin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26463}

infra/OWNERS

@@ -1 +0,0 @@
-phoglund@webrtc.org

infra/config/OWNERS

@@ -1,4 +0,0 @@
-set noparent
-sergiyb@chromium.org
-phoglund@webrtc.org
-oprypin@webrtc.org

infra/config/README.md

@@ -1 +0,0 @@
-This directory contains configuration files for infra services.

infra/config/cq.cfg

@@ -1,93 +0,0 @@
-# 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_status_url: "https://chromium-cq-status.appspot.com"
-git_repo_url: "https://webrtc.googlesource.com/src"
-commit_burst_delay: 60
-max_commit_burst: 1
-
-gerrit {}
-
-verifiers {
-  gerrit_cq_ability {
-    committer_list: "project-webrtc-committers"
-    dry_run_access_list: "project-webrtc-tryjob-access"
-  }
-
-  tree_status {
-    tree_status_url: "https://webrtc-status.appspot.com"
-  }
-
-  try_job {
-    buckets {
-      name: "luci.webrtc.try"
-      builders { name: "android_arm64_rel" }
-      builders { name: "android_arm_dbg" }
-      builders { name: "android_arm_more_configs" }
-      builders { name: "android_arm_rel" }
-      builders { name: "android_chromium_compile" }
-      builders { name: "android_compile_arm64_rel" }
-      builders { name: "android_compile_arm_rel" }
-      builders { name: "android_compile_x64_dbg" }
-      builders { name: "android_compile_x86_dbg" }
-      builders { name: "android_compile_x86_rel" }
-      builders { name: "ios_api_framework" }
-      builders { name: "ios_compile_arm64_dbg" }
-      builders { name: "ios_compile_arm64_rel" }
-      builders { name: "ios_compile_arm_dbg" }
-      builders { name: "ios_compile_arm_rel" }
-      builders { name: "ios_sim_x64_dbg_ios10" }
-      builders { name: "ios_sim_x64_dbg_ios9" }
-      builders { name: "linux_asan" }
-      builders { name: "linux_chromium_compile" }
-      builders { name: "linux_compile_arm64_dbg" }
-      builders { name: "linux_compile_arm64_rel" }
-      builders { name: "linux_compile_arm_dbg" }
-      builders { name: "linux_compile_arm_rel" }
-      builders { name: "linux_compile_dbg" }
-      builders { name: "linux_compile_gcc_rel" }
-      builders { name: "linux_compile_rel" }
-      builders { name: "linux_libfuzzer_rel" }
-      builders { name: "linux_more_configs" }
-      builders { name: "linux_msan" }
-      builders { name: "linux_rel" }
-      builders { name: "linux_tsan2" }
-      builders { name: "linux_ubsan" }
-      builders { name: "linux_ubsan_vptr" }
-      builders { name: "linux_x86_dbg" }
-      # TODO(kjellander): Re-enable when https://bugs.webrtc.org/7413 is fixed.
-      builders { name: "linux_x86_rel" }
-      builders { name: "mac_asan" }
-      builders { name: "mac_chromium_compile" }
-      builders { name: "mac_compile_dbg" }
-      builders { name: "mac_rel" }
-      builders {
-        name: "presubmit"
-        # Presubmit builder should be re-run every time CQ is triggered
-        # for last minute lint, OWNERS, etc checks.
-        disable_reuse: true
-      }
-      builders { name: "win_asan" }
-      builders { name: "win_chromium_compile" }
-      builders { name: "win_compile_x64_clang_dbg" }
-      builders { name: "win_compile_x64_clang_rel" }
-      builders { name: "win_compile_x86_clang_dbg" }
-      builders { name: "win_x64_msvc_dbg" }
-      builders { name: "win_x64_msvc_rel" }
-      builders { name: "win_x86_clang_rel" }
-      builders { name: "win_x86_more_configs" }
-      builders { name: "win_x86_msvc_dbg" }
-      builders { name: "win_x86_msvc_rel" }
-      builders {
-        name: "noop"
-        equivalent_to {
-          bucket: "g3.webrtc-internal.try"
-          builder: "internal_compile_lite"
-          owner_whitelist_group: "project-webrtc-internal-tryjob-access"
-          percentage: 100
-        }
-      }
-    }
-  }
-}