Linter checks for extraneous dependencies

Summary: Added eslint rule "no-extraneous-imports" which disallow using modules which are not listed as dependencies in the corresponding package.json. Fixed a bunch of reported errors after the rule applied.

Reviewed By: passy

Differential Revision: D21186848

fbshipit-source-id: 0af9ac4b3fffdfd0ab7c23ae4ff12a3f5989d5e9

desktop/pkg/package.json

@@ -14,6 +14,7 @@
   "dependencies": {
     "@oclif/command": "^1",
     "@oclif/config": "^1",
+    "@oclif/parser": "^3",
     "@oclif/plugin-help": "^2",
     "cli-ux": "^5.4.5",
     "fs-extra": "^8.1.0",