Manual:Hooks/AbortMove

This hook is completely removed in favor of Manual:Hooks/MovePageIsValidMove.

Details

 * $oldtitle: Title that is being moved
 * $newtitle: Destination Title
 * $user: User requesting the move
 * &$error: Error message (if function returns false)
 * $reason: Reason for the move (added in version 1.13)