deps: remove tar (#314)

Thanks to @wojtekmaj

Author: owlstronaut

package.json

@@ -56,7 +56,6 @@
     "minipass-pipeline": "^1.2.4",
     "p-map": "^7.0.2",
     "ssri": "^12.0.0",
-    "tar": "^7.4.3",
     "unique-filename": "^4.0.0"
   },
   "devDependencies": {