Replaced iteritems() with items() for Python 3

sssd/files/sssd.conf

@@ -2,10 +2,10 @@
 
 # Managed by Salt
 
-{%- for key, value in sssd.config.iteritems() %}
+{%- for key, value in sssd.config.items() %}
   {%- if value is mapping %}
 [{{ key }}]
-    {%- for key2, value2 in value.iteritems() %}
+    {%- for key2, value2 in value.items() %}
   {{ key2 }} = {{ value2 }}
     {%- endfor %}
   {%- else %}