upgrade (angular): Upgrade to angular 8 - removed nrwl, ngrx and rxjs-compat

package.json

@@ -65,17 +65,11 @@
     "@angular/platform-browser": "~8.0.2",
     "@angular/platform-browser-dynamic": "~8.0.2",
     "@angular/router": "~8.0.2",
-    "@ngrx/effects": "~7.0.0",
-    "@ngrx/router-store": "~7.0.0",
-    "@ngrx/store": "~7.0.0",
-    "@ngrx/store-devtools": "~7.0.0",
     "core-js": "^2.5.4",
-    "ngrx-store-freeze": "^0.2.4",
     "office-ui-fabric-react": "6.151.0",
     "react": "^16.6.3",
     "react-dom": "^16.6.3",
     "rxjs": "6.5.2",
-    "rxjs-compat": "6.2.2",
     "semantic-ui-react": "^0.82.1",
     "web-animations-js": "^2.3.1",
     "zone.js": "^0.9.1"
@@ -87,9 +81,6 @@
     "@angular/cli": "~8.0.3",
     "@angular/compiler-cli": "~8.0.2",
     "@angular/language-service": "~8.0.2",
-    "@ngrx/schematics": "~7.0.0",
-    "@nrwl/nx": "^7.3.0",
-    "@nrwl/schematics": "^7.3.0",
     "@types/classnames": "^2.2.6",
     "@types/css-to-style": "^1.2.0",
     "@types/jasmine": "~3.3.1",