rpmmd: drop the Name attribute from RepoConfig

This was never actually used anywhere, as passing it to dnf-json
was a noop.

We may want to reconsider the concept of a source/repo name and
how it differs from an ID, but for now drop the name.

Signed-off-by: Tom Gundersen <teg@jklm.no>

dnf-json

@@ -21,7 +21,6 @@ def dnfrepo(desc, parent_conf=None):
     """Makes a dnf.repo.Repo out of a JSON repository description"""
 
     repo = dnf.repo.Repo(desc["id"], parent_conf)
-    repo.name = desc["name"]
 
     if "baseurl" in desc:
         repo.baseurl = desc["baseurl"]