message: Remove require-mock.
diff: "karma-requirejs": "^1.1.0",
  "karma-safari-launcher": "^1.0.0",
  "load-grunt-tasks": "^4.0.0",
  - "mock-require": "^3.0.1",
  "nyc": "^13.0.1",
  "requirejs": "2.3.6",
  "require-from-string": "^2.0.2",
  