remove unused url-parse package to complete WHATWG migration (#20344)

Author: davidgamero

modules/openapi-generator/src/main/resources/typescript/package.mustache

@@ -71,12 +71,10 @@
     {{#useInversify}}
     "inversify": "^6.0.1",
     {{/useInversify}}
-    "es6-promise": "^4.2.4",
-    "url-parse": "^1.4.3"
+    "es6-promise": "^4.2.4"
   },
   "devDependencies": {
-    "typescript": "^4.0",
-    "@types/url-parse": "1.4.4"
+    "typescript": "^4.0"
   }{{#npmRepository}},{{/npmRepository}}
 {{#npmRepository}}
   "publishConfig":{