Merge pull request DSpace#3511 from tdonohue/remove_unused_deps_main

[Port main] Remove unused dependencies (sortablejs, sanitize-html, webfontloader)

Author: tdonohue

angular.json

@@ -30,7 +30,6 @@
               "lodash",
               "jwt-decode",
               "uuid",
-              "webfontloader",
               "zone.js"
             ],
             "outputPath": "dist/browser",

package-lock.json

@@ -162,10 +162,7 @@
     "pem": "1.14.8",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.0",
-    "sanitize-html": "^2.12.1",
-    "sortablejs": "1.15.0",
     "uuid": "^8.3.2",
-    "webfontloader": "1.6.28",
     "zone.js": "~0.14.4"
   },
   "devDependencies": {