remove eslint dep changes (will do this in separate PR)

package.json

@@ -58,8 +58,11 @@
     "enzyme": "^3.1.1",
     "enzyme-adapter-react-16": "^1.0.4",
     "eslint": "^4.5.0",
+    "eslint-config-airbnb": "^16.0.0",
     "eslint-config-edx": "^4.0.1",
     "eslint-import-resolver-webpack": "^0.8.1",
+    "eslint-plugin-jsx-a11y": "^5.1.0",
+    "eslint-plugin-react": "^7.1.0",
     "extract-text-webpack-plugin": "^3.0.1",
     "file-loader": "^1.1.4",
     "greenkeeper-lockfile": "^1.7.1",