Remove additional quote (#88)

Author: MAHDTech

inventory-generation/notifications/main.yaml

@@ -50,7 +50,7 @@
 
       vars:
         ocp_subdomain: "{{ hosting_environments[0].ocp_sub_domain | lower }}"
-        subdomain_base_suffix: "{{ engagement_region | default('dev') + cloud_provider_index | default('-1')' + ocp_base_url }}"
+        subdomain_base_suffix: "{{ engagement_region | default('dev') + cloud_provider_index | default('-1') + ocp_base_url }}"
       when:
         - notifications_dir.stat.exists is false
         - start_date is defined