Remove code in gsutil that removes http_proxy from the env var

third_party/gsutil/gsutil

Index: third_party/gsutil/gsutil
diff --git a/third_party/gsutil/gsutil b/third_party/gsutil/gsutil
index ac0b76525838d4dd21d18cd69a493f9010e21ab6..aca0c7809409cdc81749b558dc1418b667885541 100755
--- a/third_party/gsutil/gsutil
+++ b/third_party/gsutil/gsutil
@@ -186,14 +186,6 @@ def main():
   else:
     command_name = args[0]
 
-  # Unset http_proxy environment variable if it's set, because it confuses
-  # boto. (Proxies should instead be configured via the boto config file.)
-  if 'http_proxy' in os.environ:
-    if debug > 1:
-      sys.stderr.write(
-          'Unsetting http_proxy environment variable within gsutil run.\n')
-    del os.environ['http_proxy']
-
   return _RunNamedCommandAndHandleExceptions(command_runner, command_name,
                                              args[1:], headers, debug,
                                              parallel_operations)