Remove all references to GIT_MODE from depot_tools

recipe_modules/bot_update/api.py

Index: recipe_modules/bot_update/api.py
diff --git a/recipe_modules/bot_update/api.py b/recipe_modules/bot_update/api.py
index 9bee87cb5d064f48e2c4c889d70ca6eeea6bcd1d..7e84b8508ecc8481d3dd6d271eb275cc703c2584 100644
--- a/recipe_modules/bot_update/api.py
+++ b/recipe_modules/bot_update/api.py
@@ -8,13 +8,6 @@
 from recipe_engine import recipe_api
 
 
-# This is just for testing, to indicate if a master is using a Git scheduler
-# or not.
-SVN_MASTERS = (
-    'experimental.svn',
-)
-
-
 class BotUpdateApi(recipe_api.RecipeApi):
 
   def __init__(self, mastername, buildername, slavename, issue, patchset,
@@ -242,10 +235,9 @@ class BotUpdateApi(recipe_api.RecipeApi):
       cmd.append('--gerrit_rebase_patch_ref')
 
     # Inject Json output for testing.
-    git_mode = self._mastername not in SVN_MASTERS
     first_sln = cfg.solutions[0].name
     step_test_data = lambda: self.test_api.output_json(
-        master, builder, slave, root, first_sln, rev_map, git_mode, force,
+        master, builder, slave, root, first_sln, rev_map, force,
         self._fail_patch,
         output_manifest=output_manifest, fixed_revisions=fixed_revisions)