Remove whatwg-url module

The native URL constructor does handle custom schemes just fine now, we don't
need to have this module anymore.

Fixes #400.

Author: nchevobbe

lib/url-browser.js

@@ -49,7 +49,6 @@
   "main": "./source-map.js",
   "types": "./source-map.d.ts",
   "browser": {
-    "./lib/url.js": "./lib/url-browser.js",
     "./lib/read-wasm.js": "./lib/read-wasm-browser.js"
   },
   "files": [
@@ -80,6 +79,5 @@
     "prettier": "^2.7.1"
   },
   "dependencies": {
-    "whatwg-url": "^7.0.0"
   }
 }