linked-list: Remove reference to deque
linked-list: Remove reference to deque

behrtam/xpython,jmluy/xpython,mweb/python,rootulp/xpython,pheanex/xpython,exercism/python,pheanex/xpython,N-Parsons/exercism-python,N-Parsons/exercism-python,rootulp/xpython,jmluy/xpython,exercism/xpython,exercism/xpython,behrtam/xpython,exercism/python,mweb/python,smalley/python,smalley/python