message: DataStore: Remove 3 unused dependencies
diff: "author": "Microsoft",
  "repository": "microsoft/prague",
  "dependencies": {
  - "@prague/api-definitions": "^0.2.0",
  "@prague/container-loader": "^0.2.0",
  - "@prague/map": "^0.2.0",
  "@prague/container-definitions": "^0.2.0",
  "@prague/loader-web": "^0.2.0",
  "@prague/runtime-definitions": "^0.2.0",
  "@prague/socket-storage": "^0.2.0",
  - "@types/jsonwebtoken": "^8.3.0",
  - "axios": "^0.18.0",
  "debug": "^3.1.0",
  "jsonwebtoken": "^8.4.0"
  },
  "devDependencies": {
  "@types/debug": "^0.0.31",
  + "@types/jsonwebtoken": "^8.3.0",
  "@types/mocha": "^5.2.5",
  "@types/nock": "^9.3.0",
  "@types/node": "^10.12.12",
  