Removed master password setting as there is no more password login

boards/settings.py

@@ -18,6 +18,3 b' LAST_REPLIES_COUNT = 3'
 ARCHIVE_THREADS = True
 # Limit posting speed
 LIMIT_POSTING_SPEED = False
-
-# This password is used to add admin permissions to the user
-MASTER_PASSWORD = u'password'