Fix.

node_modules/lodash/_stackDelete.js

@@ -1,18 +0,0 @@
-/**
- * Removes `key` and its value from the stack.
- *
- * @private
- * @name delete
- * @memberOf Stack
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function stackDelete(key) {
-  var data = this.__data__,
-      result = data['delete'](key);
-
-  this.size = data.size;
-  return result;
-}
-
-module.exports = stackDelete;