hedgedoc: Drop unnecessary and breaking dependencies

With the following package declaration, puppet fails to apply. They are unecessary as they are not installed (or pulled as dependencies) on the node without impacting the runtime.

Related to migrated/migration$1213

Test Plan

bin/octo-diff:

$SWH_PUPPET_ENVIRONMENT_HOME/bin/octocatalog-diff --octocatalog-diff-args --no-truncate-details --to staging bardo.internal.admin.swh.network
...
*** Running octocatalog-diff on host bardo.internal.admin.swh.network
I, [2021-11-24T16:27:07.498703 #1085067]  INFO -- : Catalogs compiled for bardo.internal.admin.swh.network
I, [2021-11-24T16:27:07.792606 #1085067]  INFO -- : Diffs computed for bardo.internal.admin.swh.network
diff origin/production/bardo.internal.admin.swh.network current/bardo.internal.admin.swh.network
*******************************************
- Package[node-gyp]
*******************************************
- Package[npm]
*******************************************
*** End octocatalog-diff on bardo.internal.admin.swh.network

---

Migrated from D6686 (view on Phabricator)