Remove redundant exception classes and fix existing ones

Signed-off-by: lzzy12 <jhashivam2020@gmail.com>

bot/helper/ext_utils/exceptions.py

@@ -1,23 +1,2 @@
-class DriveAuthError(Exception):
-    pass
-
-
-class MessageDeletedError(Exception):
-    """ Custom Exception class for killing thread as soon as they aren't needed"""
-
-    def __init__(self, message, error=None):
-        super().__init__(message)
-        self.error = error
-
-
-class DownloadCancelled(Exception):
-
-    def __init__(self, message, error=None):
-        super().__init__(message)
-        self.error = error
-
-
 class DirectDownloadLinkException(Exception):
-    def __init__(self, message, error=None):
+    pass
-        super().__init__(message)
-        self.error = error

bot/modules/mirror.py

@@ -173,7 +173,7 @@ def _mirror(bot, update, isTar=False):
     try:
         link = direct_link_generator(link)
     except DirectDownloadLinkException as e:
-        LOGGER.info(f'{link}: {e.error}')
+        LOGGER.info(f'{link}: {e}')
     listener = MirrorListener(bot, update, isTar, tag)
     aria = aria2_download.AriaDownloadHelper(listener)
     aria.add_download(link, f'{DOWNLOAD_DIR}/{listener.uid}/')