Get open-sans from Packagist

So we can stop requiring Asset Packagist

composer.json

@@ -27,12 +27,12 @@
     "jawira/case-converter": "^3.4",
     "jean85/pretty-package-versions": "^1.3",
     "mathmarques/smarty-view": "^1.1",
-    "npm-asset/open-sans-fontface": "^1.4",
     "rinvex/countries": "^6.1",
     "rudloff/alltube-library": "dev-develop",
     "symfony/finder": "^5.0",
     "symfony/translation": "^4.0",
     "symfony/yaml": "^4.0",
+    "webfontkit/open-sans": "^1.0",
     "ytdl-org/youtube-dl": "^2020.06",
     "zonuexe/http-accept-language": "^0.4.1"
   },
@@ -66,10 +66,6 @@
     }
   },
   "repositories": [
-    {
-      "type": "composer",
-      "url": "https://asset-packagist.org"
-    },
     {
       "type": "package",
       "package": {