Update package.json

package.json

@@ -44,8 +44,6 @@
     "cross-env": "^5.2.0",
     "cssnano": "^4.1.10",
     "del": "^5.0.0",
-    "eslint": "^6.1.0",
-    "eslint-config-airbnb-base": "^14.0.0",
     "eslint-config-prettier": "^6.0.0",
     "eslint-plugin-import": "^2.17.3",
     "glob": "^7.1.4",
@@ -66,5 +64,9 @@
     "rollup-plugin-uglify": "^6.0.2",
     "servor": "^2.2.1",
     "travis-size-report": "^1.1.0"
+  },
+  "devDependencies": {
+    "eslint": "^6.1.0",
+    "eslint-config-airbnb-base": "^14.0.0"
   }
 }