Update ansible-lint configuration

Remove the manual exclusion of the `converge.yml` file in the default molecule
scenario. With the changes in cisagov/skeleton-ansible-role#88 this exclusion
is no longer necessary.

.ansible-lint

@@ -13,9 +13,6 @@ exclude_paths:
   - .cache
   # Seems wise to ignore this too
   - .github
-  # ansible-lint doesn't like the role name in this playbook, but it's
-  # what molecule requires
-  - molecule/default/converge.yml
   # These two are Molecule configuration files, not Ansible playbooks
   - molecule/default/molecule-no-systemd.yml
   - molecule/default/molecule-with-systemd.yml