Remove dependency on fs from npm (#1464)

Was added in the original version of the example:
#134

But it's a useless package that doesn't do anything.

Author: mischnic

solutions/platforms-slate-supabase/package.json

@@ -20,7 +20,6 @@
     "cuid": "^2.1.8",
     "date-fns": "^2.29.3",
     "escape-html": "^1.0.3",
-    "fs": "0.0.1-security",
     "gray-matter": "^4.0.3",
     "is-hotkey": "^0.2.0",
     "js-cookie": "^3.0.1",