Removes the first occurrence of the specified element in this
list (when traversing the list from head to tail). If the list
does not contain the element, it is unchanged.
@param o element to be removed from this list, if present
@return {@code true} if the list contained the specified element
Removes the first occurrence of the specified element in this list (when traversing the list from head to tail). If the list does not contain the element, it is unchanged.
@param o element to be removed from this list, if present @return {@code true} if the list contained the specified element