Remove Buildbot build link in wpt import CLs

This has been dead code since the LUCI migration.

Bug: 1002702
Change-Id: I6410a979d121bfec9867d3663000d65c86e2329a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1909274Reviewed-by: Robert Ma <robertma@chromium.org>
Commit-Queue: Quinten Yearsley <qyearsley@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714631}

third_party/blink/tools/blinkpy/common/net/results_fetcher.py

@@ -196,17 +196,6 @@ class TestResultsFetcher(object):
         return WebTestResults.results_from_string(data)
 
 
-def current_build_link(host):
-    """Returns a link to the current job if running on buildbot, or None."""
-    master_name = host.environ.get('BUILDBOT_MASTERNAME')
-    builder_name = host.environ.get('BUILDBOT_BUILDERNAME')
-    build_number = host.environ.get('BUILDBOT_BUILDNUMBER')
-    if not (master_name and builder_name and build_number):
-        return None
-    return ('https://ci.chromium.org/buildbot/%s/%s/%s' %
-            (master_name, builder_name, build_number))
-
-
 def filter_latest_builds(builds):
     """Filters Build objects to include only the latest for each builder.
 

third_party/blink/tools/blinkpy/w3c/test_importer.py

@@ -19,7 +19,6 @@ import re
 
 from blinkpy.common.net.git_cl import GitCL
 from blinkpy.common.net.network_transaction import NetworkTimeout
-from blinkpy.common.net.results_fetcher import current_build_link
 from blinkpy.common.path_finder import PathFinder
 from blinkpy.common.system.executive import ScriptError
 from blinkpy.common.system.log_utils import configure_logging
@@ -502,10 +501,6 @@ class TestImporter(object):
         """
         # TODO(robertma): Add a method in Git for getting the commit body.
         description = self.chromium_git.run(['log', '-1', '--format=%B'])
-        build_link = current_build_link(self.host)
-        if build_link:
-            description += 'Build: %s\n\n' % build_link
-
         description += (
             'Note to sheriffs: This CL imports external tests and adds\n'
             'expectations for those tests; if this CL is large and causes\n'

third_party/blink/tools/blinkpy/w3c/test_importer_unittest.py

@@ -359,19 +359,6 @@ class TestImporterTest(LoggingTestCase):
             'No-Export: true')
         self.assertEqual(host.executive.calls, [['git', 'log', '-1', '--format=%B']])
 
-    def test_cl_description_with_environ_variables(self):
-        host = MockHost()
-        host.executive = MockExecutive(output='Last commit message\n')
-        importer = TestImporter(host)
-        importer.host.environ['BUILDBOT_MASTERNAME'] = 'my.master'
-        importer.host.environ['BUILDBOT_BUILDERNAME'] = 'b'
-        importer.host.environ['BUILDBOT_BUILDNUMBER'] = '123'
-        description = importer._cl_description(directory_owners={})
-        self.assertIn(
-            'Build: https://ci.chromium.org/buildbot/my.master/b/123\n\n',
-            description)
-        self.assertEqual(host.executive.calls, [['git', 'log', '-1', '--format=%B']])
-
     def test_cl_description_moves_noexport_tag(self):
         host = MockHost()
         host.executive = MockExecutive(output='Summary\n\nNo-Export: true\n\n')