Removes the last occurrence of the specified element from this deque.
If the deque does not contain the element, it is unchanged.
More formally, removes the last element
e such that
(o==null ? e==null : o.equals(e))
(if such an element exists).
true if this deque contained the specified element
(or equivalently, if this deque changed as a result of the call).
|element to be removed from this deque, if present|
true if an element was removed as a result of this call
|if the class of the specified element is incompatible with this deque (optional)|
|if the specified element is null and this deque does not permit null elements (optional)|