V8: Remove legacy mozilla svn download

scripts/slave/recipe_modules/v8/builders.py

Index: scripts/slave/recipe_modules/v8/builders.py
diff --git a/scripts/slave/recipe_modules/v8/builders.py b/scripts/slave/recipe_modules/v8/builders.py
index 627b3f60b8f6248bafc55d70f4422f0f0c12f80c..73951c0e4fdca2fbfd20eb54bf0752f3e0a43371 100644
--- a/scripts/slave/recipe_modules/v8/builders.py
+++ b/scripts/slave/recipe_modules/v8/builders.py
@@ -2697,7 +2697,7 @@ def AddBranchBuilder(build_config, arch, bits, presubmit=False,
     tests = [V8Testing, Test262, Mozilla]
   if presubmit:
     tests = [Presubmit] + tests
-  config = {
+  return {
     'chromium_apply_config': ['default_compiler', 'v8_ninja', 'goma'],
     'v8_config_kwargs': {
       'BUILD_CONFIG': build_config,
@@ -2708,9 +2708,6 @@ def AddBranchBuilder(build_config, arch, bits, presubmit=False,
     'tests': tests,
     'testing': {'platform': 'linux'},
   }
-  if not unittests_only:
-    config['gclient_apply_config'] = ['mozilla_tests']
-  return config
 
 for build_config, name_suffix in (('Release', ''), ('Debug', ' - debug')):
   for branch_name in ('stable branch', 'beta branch'):