Fix.

node_modules/lodash/_mapCacheDelete.js

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