switch back to favicons-webpack-plugin

package.json

@@ -22,6 +22,7 @@
     "clean-webpack-plugin": "^0.1.19",
     "css-loader": "^0.28.11",
     "extract-text-webpack-plugin": "^4.0.0-beta.0",
+    "favicons-webpack-plugin": "0.0.9",
     "file-loader": "^1.1.11",
     "font-awesome": "^4.7.0",
     "html-webpack-plugin": "^3.0.7",
@@ -38,7 +39,6 @@
     "tslint": "^5.9.1",
     "tslint-config-airbnb": "^5.8.0",
     "typescript": "^2.7.2",
-    "webapp-webpack-plugin": "^1.3.1",
     "webpack": "^4.1.1",
     "webpack-cli": "^2.0.12",
     "webpack-dev-server": "^3.1.1"