Remove response helpers

graph/helpers/response.js

@@ -1,34 +0,0 @@
-const errors = require('../../errors');
-const {Error: {ValidationError}} = require('mongoose');
-
-/**
- * Wraps up a promise or value to return an object with the resolution of the promise
- * keyed at `key` or an error caught at `errors`.
- */
-
-const wrapResponse = (key) => async (promise) => {
-  try {
-    let value = await promise;
-    
-    let res = {};
-    if (key) {
-      res[key] = value;
-    }
-
-    return res;
-  } catch (err) {
-    if (err instanceof errors.APIError) {
-      return {
-        errors: [err]
-      };
-    } else if (err instanceof ValidationError) {
-
-      // TODO: wrap this with one of our internal errors.
-      throw err;
-    }
-
-    throw err;
-  }
-};
-
-module.exports = wrapResponse;