Remove extra word added to comment

I think this snuck in during a git merge, looks like a 'git' command got added
to the comment in 4567a0b.

socs/agents/scpi_psu/agent.py

@@ -109,7 +109,7 @@ def monitor_output(self, session, params=None):
 
                 self.agent.publish_to_feed('psu_output', data)
 
-                # Allow this git process to be queried to return current data
+                # Allow this process to be queried to return current data
                 session.data = data
 
             if params['test_mode']: