clean repo for angular update

mc_frontend/package.json

@@ -19,11 +19,11 @@
   "dependencies": {
     "@angular-builders/custom-webpack": "^9.0.0",
     "@angular/animations": "^10.2.5",
-    "@angular/cdk": "^9.2.0",
+    "@angular/cdk": "^10.2.7",
     "@angular/common": "^10.2.5",
     "@angular/core": "^10.2.5",
     "@angular/forms": "^10.2.5",
-    "@angular/material": "^9.2.0",
+    "@angular/material": "^10.2.7",
     "@angular/platform-browser": "^10.2.5",
     "@angular/platform-browser-dynamic": "^10.2.5",
     "@angular/router": "^10.2.5",