build: remove hads document server (#2240)

Author: rhopman

angular.json

@@ -33,7 +33,8 @@
               "src/assets"
             ],
             "styles": [
-              "node_modules/font-awesome/css/font-awesome.css",
+              "node_modules/@fortawesome/fontawesome-free/css/all.css",
+              "node_modules/@fortawesome/fontawesome-free/css/v4-shims.css",
               "src/main.scss",
               {
                 "inject": false,