All reports of essential-no-not-needed for the archive. The extended description of this tag is:
Having "Essential: no" is the same as not having the field at all, so it just makes the Packages file longer with no benefit.
Refer to Debian Policy Manual section 5.6.9 (
Essential) for details.
Severity: normal, Certainty: certain
Check: fields, Type: binary, udeb, source
This tag has not been emitted in any package tested by Lintian.