Bump regex-to-strings dev dependency

Remove unnecessary regenerator-runtime.

Author: wimpyprogrammer

package.json

@@ -65,8 +65,7 @@
     "npm-run-all": "^4.1.5",
     "prettier": "^1.13.7",
     "pretty-quick": "^1.6.0",
-    "regenerator-runtime": "^0.13.3",
-    "regex-to-strings": "^1.0.0",
+    "regex-to-strings": "^2.0.1",
     "rimraf": "^2.6.2",
     "ts-jest": "^26.4.4",
     "ts-loader": "^6.1.0",

src/utils/pattern.spec.ts

@@ -1,5 +1,3 @@
-import 'regenerator-runtime/runtime';
-
 import { expandAll } from 'regex-to-strings';
 import { CharTrie } from '../types/charTrie';
 import { build } from './pattern';