chore(fs): remove unused deps

@xen-orchestra/fs/package.json

@@ -33,7 +33,6 @@
     "proper-lockfile": "^4.1.2",
     "readable-stream": "^3.0.6",
     "through2": "^4.0.2",
-    "tmp": "^0.2.1",
     "xo-remote-parser": "^0.7.0"
   },
   "devDependencies": {
@@ -47,7 +46,6 @@
     "babel-plugin-lodash": "^3.3.2",
     "cross-env": "^7.0.2",
     "dotenv": "^8.0.0",
-    "index-modules": "^0.3.0",
     "rimraf": "^3.0.0"
   },
   "scripts": {