fix: remove JSON-invalid comments from pnpm overrides

The // comment syntax is not valid in JSON and causes pnpm install
to fail with 'Invalid package.json in package.json'.

Issue: PRI-803
Co-Authored-By: Paperclip <noreply@paperclip.ing>

package.json

@@ -42,8 +42,6 @@
   },
   "pnpm": {
     "overrides": {
-      // elliptic >=6.6.1: no patched version exists yet (GHSA-848j-6mx2-7j84).
-      // This override prevents regression and will auto-resolve once upstream publishes a fix.
       "elliptic": ">=6.6.1"
     }
   }