Filter config spam on stderr

Fixes #46

Author: atauzki

linter.py

@@ -34,6 +34,7 @@ def tempfile_suffix(self):
     def on_stderr(self, stderr):
         stderr = re.sub(
             'No config file found, using default configuration\n', '', stderr)
+        stderr = re.sub('Using config file .+\n', '', stderr)
 
         if stderr:
             self.notify_failure()