Clean up dependencies

node_modules/lodash/isNull.js

@@ -1,22 +0,0 @@
-/**
- * Checks if `value` is `null`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
- * @example
- *
- * _.isNull(null);
- * // => true
- *
- * _.isNull(void 0);
- * // => false
- */
-function isNull(value) {
-  return value === null;
-}
-
-module.exports = isNull;