Remove useless DISABLE_DEBUG_MODE option

There is no point in this whatsoever; admins can do !frestart debugmode
but that cannot lead to privilege escalation as !eval and !exec are
owner-only and !fallow won't work on them either.

botconfig.py.example

@@ -28,8 +28,6 @@ OWNERS_ACCOUNTS = ("1owner_acc",)
 ADMINS_ACCOUNTS = ("1admin_acc", "2admin_acc")
 
 
-DISABLE_DEBUG_MODE = False  # Entirely disable debug mode
-
 ALLOWED_NORMAL_MODE_COMMANDS = []  # Debug mode commands to be allowed in normal mode
 
 ALT_CHANNELS = ""

src/__init__.py

@@ -54,7 +54,7 @@ if args.debug: debug_mode = True
 if args.verbose: verbose = True
 if args.normal: normal = True
 
-botconfig.DEBUG_MODE = debug_mode if not botconfig.DISABLE_DEBUG_MODE and not normal else False
+botconfig.DEBUG_MODE = debug_mode if not normal else False
 botconfig.VERBOSE_MODE = verbose if not normal else False
 
 # Initialize Database