Removes more outdated OAuth code

helpers/oauth_check.py

@@ -1,17 +0,0 @@
-#!/usr/bin/env python
-'''
-Simple script to check if your oauth is working.
-'''
-import praw
-import sys
-
-r = praw.Reddit('Shreddit oauth test')
-try:
-    r.refresh_access_information()
-    if r.is_oauth_session():
-        sys.exit(0)
-    else:
-        sys.exit(2)
-except:
-    sys.exit(1)
-