Don't quote empty values when encoding to INI.

It's not a requirement and has the potentialy to appear like an actual
string, and not an empty string, which breaks things like Grafana.

playbooks/roles/config-encoders/filter_plugins/config_encoders.py

@@ -370,12 +370,6 @@ def encode_ini(
             vals = [val]
 
         for item in vals:
-            if (
-                    len(quote) == 0 and
-                    isinstance(item, basestring) and
-                    len(item) == 0):
-                item = '""'
-
             if item is not None:
                 rv += "%s%s%s%s%s\n" % (
                     prop, delimiter, quote, _escape(item, quote), quote)