Upgrade to fontawesom 5.15.2

projects/common/package.json

@@ -15,7 +15,6 @@
     "tassign": "^1.0.0",
     "bootstrap": "^4.4.1",
     "@microsoft/signalr": "^3.1.3",
-    "font-awesome": "^4.7.0",
     "ngx-uploadx": "^3.3.4",
     "angular-oauth2-oidc": "^10.0.3",
     "moment": "^2.27.0"