Remove Builder/Tester from buildbot configs which were setup to experiment Windows Coverage CQ

Bug: 1139007
Change-Id: Icc9c097410148a6b55f0dad5b08cee9a10c088aa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2476875
Commit-Queue: Prakhar Asthana <pasthana@google.com>
Commit-Queue: Yuke Liao <liaoyuke@chromium.org>
Auto-Submit: Prakhar Asthana <pasthana@google.com>
Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817698}

testing/buildbot/generate_buildbot_json.py

@@ -1424,12 +1424,6 @@ class BBJSONGenerator(object):
         'win32-dbg',
         'win-archive-dbg',
         'win32-archive-dbg',
-        # TODO(crbug.com/1033753) Delete these when coverage is enabled by
-        # default on Windows tryjobs.
-        'GPU Win x64 Builder Code Coverage',
-        'Win x64 Builder Code Coverage',
-        'Win10 Tests x64 Code Coverage',
-        'Win10 x64 Release (NVIDIA) Code Coverage',
     ]
 
   def get_internal_waterfalls(self):

testing/buildbot/test_suite_exceptions.pyl

@@ -268,15 +268,6 @@
           "shards": 28
         },
       },
-      'Win10 Tests x64 Code Coverage': {
-        'args': [
-          '--target',
-          'Release_x64',
-        ],
-        'swarming': {
-          "shards": 28
-        },
-      },
       'Win7 Tests (dbg)(1)': {
         'args': [
           '--debug',
@@ -523,17 +514,6 @@
           'shards': 15,
         }
       },
-      'Win10 Tests x64 Code Coverage': {
-        # crbug.com/868082
-        'args': [
-          '--disable-features=WebRTC-H264WithOpenH264FFmpeg',
-        ],
-        'swarming': {
-          # This is for slow test execution that often becomes a critical path of
-          # swarming jobs. crbug.com/868114
-          'shards': 15,
-        }
-      },
       'Win7 Tests (1)': {
         # This is for slow test execution that often becomes a critical path of
         # swarming jobs. crbug.com/868114
@@ -960,12 +940,6 @@
           '--disable-features=WebRTC-H264WithOpenH264FFmpeg',
         ],
       },
-      'Win10 Tests x64 Code Coverage': {
-        # crbug.com/868082
-        'args': [
-          '--disable-features=WebRTC-H264WithOpenH264FFmpeg',
-        ],
-      },
       'android-arm64-proguard-rel': {
         'swarming': {
           'shards': 16,
@@ -1905,17 +1879,6 @@
           'shards': 20,
         },
       },
-      'Win10 Tests x64 Code Coverage': {
-        # crbug.com/868082
-        'args': [
-          '--disable-features=WebRTC-H264WithOpenH264FFmpeg',
-        ],
-        # This is for slow test execution that often becomes a critical path of
-        # swarming jobs. crbug.com/868114
-        'swarming': {
-          'shards': 20,
-        },
-      },
       'linux-code-coverage': {
         'args': [
           '--no-sandbox',
@@ -2433,11 +2396,6 @@
           '--browser=release_x64',
         ],
       },
-      'Win10 x64 Release (NVIDIA) Code Coverage': {
-        'args': [
-          '--browser=release_x64',
-        ],
-      },
     },
   },
   'sandbox_linux_unittests': {
@@ -2767,7 +2725,6 @@
       'Linux - Future (dbg)',  # client.v8.chromium
       'Win10 Tests x64',
       'Win10 Tests x64 (dbg)',
-      'Win10 Tests x64 Code Coverage',
     ],
   },
   'telemetry_unittests': {
@@ -2782,7 +2739,6 @@
       'Mac10.11 Tests',
 
       'Win10 Tests x64',
-      'Win10 Tests x64 Code Coverage',
     ],
   },
   'test_buildbucket_api_gpu_use_cases': {