updated npm dependencies + removed karma for now

package.json

@@ -17,17 +17,13 @@
     "@types/jasmine": "^2.8.16",
     "jasmine": "^2.99.0",
     "jasmine-core": "^3.5.0",
-    "karma": "^4.4.1",
-    "karma-chrome-launcher": "^2.2.0",
-    "karma-firefox-launcher": "^1.3.0",
-    "karma-jasmine": "^2.0.1",
     "shx": "^0.3.2",
     "source-map-loader": "^0.2.4",
     "ts-loader": "^5.4.5",
     "tsconfig-paths-webpack-plugin": "^3.2.0",
-    "typescript": "^3.8.2",
+    "typescript": "^3.8.3",
     "uglify-js": "^2.8.29",
-    "webpack": "^4.41.6",
+    "webpack": "^4.42.1",
     "webpack-cli": "^3.3.11",
     "webrtc-adapter": "^6.4.8"
   }