Removes `key` and its value from the list cache.

@private
@name delete
@memberOf ListCache
@param {string} key The key of the value to remove.
@returns {boolean} Returns `true` if the entry was removed, else `false`.
function listCacheDelete$2(key) {
	  var data = this.__data__,
	      index = assocIndexOf$2(data, key);

	  if (index < 0) {
	    return false;
	  }
	  var lastIndex = data.length - 1;
	  if (index == lastIndex) {
	    data.pop();
	  } else {
	    splice$2.call(data, index, 1);
	  }
	  return true;
	}