Remove unnecessary devDependencies due to webpack removal

Author: onurkerimov

package.json

@@ -42,8 +42,7 @@
     "prop-types": "^15.7.2",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
-    "react-list": "^0.8.13",
-    "url-loader": "^3.0.0"
+    "react-list": "^0.8.13"
   },
   "peerDependencies": {
     "react": "^0.14 || ^15.0.0-rc || >=15.0"
@@ -58,7 +57,6 @@
     "autoprefixer": "^9.7.3",
     "babel-eslint": "^10.0.3",
     "babel-loader": "^8.0.6",
-    "clean-webpack-plugin": "^3.0.0",
     "css-loader": "^3.2.0",
     "enzyme": "^3.11.0",
     "enzyme-adapter-react-16": "^1.15.2",
@@ -69,21 +67,16 @@
     "eslint-plugin-jsx-a11y": "^6.2.3",
     "eslint-plugin-prettier": "^3.1.2",
     "eslint-plugin-react": "^7.17.0",
-    "html-webpack-plugin": "^3.2.0",
     "jest": "^24.9.0",
-    "mini-css-extract-plugin": "^0.9.0",
-    "node-sass": "^4.13.0",
     "postcss": "^7.0.25",
     "postcss-cli": "^6.1.3",
     "postcss-import": "^12.0.1",
     "postcss-loader": "^3.0.0",
     "precss": "^4.0.0",
     "prettier": "^1.19.1",
     "react-styleguidist": "^10.4.0",
-    "sass-loader": "^8.0.0",
     "style-loader": "^1.0.0",
-    "webpack": "^4.31.0",
-    "webpack-cli": "^3.3.2",
-    "webpack-dev-server": "^3.8.1"
+    "url-loader": "^3.0.0",
+    "webpack": "^4.41.5"
   }
 }