Disable Style/SymbolProc in aix object

The cop is unsafe and changing it breaks test, so disable it

lib/puppet/provider/aix_object.rb

@@ -131,7 +131,7 @@ def numeric_mapping(info = {})
 
       # AIX will do the right validation to ensure numeric attributes
       # can't be set to non-numeric values, so no need for the extra clutter.
-      info[:attribute_to_property] = lambda do |value|
+      info[:attribute_to_property] = lambda do |value| # rubocop:disable Style/SymbolProc
         value.to_i
       end