Remove unused packages

Author: Joozty

package-lock.json

@@ -25,11 +25,7 @@
     "@oacore/prettier-config": "^1.0.0",
     "babel-eslint": "^10.0.3",
     "eslint": "^6.7.2",
-    "eslint-config-airbnb": "^18.0.1",
-    "eslint-config-prettier": "^6.7.0",
-    "eslint-import-resolver-alias": "^1.1.2",
-    "eslint-plugin-import": "^2.18.2",
-    "eslint-plugin-jsx-a11y": "^6.2.3",
+    "eslint-plugin-import": "^2.19.1",
     "eslint-plugin-prettier": "^3.1.1",
     "husky": "^3.1.0",
     "lint-staged": "^9.4.3",