moment is required by backend

package.json

@@ -21,7 +21,6 @@
     "messageformat": "^2.0.2",
     "messageformat-loader": "^0.7.0",
     "mini-css-extract-plugin": "^0.4.0",
-    "moment": "^2.22.2",
     "node-sass": "^4.9.0",
     "nodemon": "^1.17.5",
     "numeral": "^2.0.6",
@@ -49,6 +48,7 @@
     "jsonwebtoken": "^8.3.0",
     "knex": "^0.14.6",
     "lodash": "^4.17.10",
+    "moment": "^2.22.2",
     "mysql": "^2.15.0",
     "node-rsa": "^1.0.0",
     "objection": "^1.1.10",