fix: remove unwanted double quote

Author: jackhodgkiss

roles/pulp_repository/tasks/rpm.yml

@@ -9,7 +9,7 @@
     state: "{{ pulp_repository_rpm_repos[repository_index].state }}"
   loop: "{{ pulp_repository_rpm_repos | map(attribute='name') }}"
   loop_control:
-    index_var: repository_index"
+    index_var: repository_index
 
 - name: Setup RPM remotes
   pulp.squeezer.rpm_remote: