Revert "build: roll infra_paths changes"

scripts/slave/recipes/infra/luci_gae.py

Index: scripts/slave/recipes/infra/luci_gae.py
diff --git a/scripts/slave/recipes/infra/luci_gae.py b/scripts/slave/recipes/infra/luci_gae.py
index 3e34e191d4bcdb2efc169dc5bb6ab6f075da0b5e..b8b2b681c405985b789e0a4a488c74e9683f0781 100644
--- a/scripts/slave/recipes/infra/luci_gae.py
+++ b/scripts/slave/recipes/infra/luci_gae.py
@@ -6,7 +6,6 @@ DEPS = [
   'depot_tools/bot_update',
   'depot_tools/gclient',
   'depot_tools/git',
-  'depot_tools/infra_paths',
   'recipe_engine/json',
   'recipe_engine/path',
   'recipe_engine/properties',
@@ -23,8 +22,8 @@ def _run_presubmit(api, patch_root, bot_update_step):
   # infra/go/env.py takes care of this.
   presubmit_cmd = [
     'python',  # env.py will replace with this its sys.executable.
-    api.infra_paths['depot_tools'].join('presubmit_support.py'),
-    '--root', api.infra_paths['slave_build'].join(patch_root),
+    api.path['depot_tools'].join('presubmit_support.py'),
+    '--root', api.path['slave_build'].join(patch_root),
     '--commit',
     '--verbose', '--verbose',
     '--issue', api.properties['issue'],
@@ -46,7 +45,7 @@ def _commit_change(api, patch_root):
           '-c', 'user.name=The Commit Bot',
           'commit', '-a', '-m', 'Committed patch',
           name='commit git patch',
-          cwd=api.infra_paths['slave_build'].join(patch_root))
+          cwd=api.path['slave_build'].join(patch_root))
 
 
 def RunSteps(api):