aliasRangeDim: fix merge error

Author: mpsonntag

+nix/DataArray.m

@@ -63,8 +63,6 @@
         function dim = append_alias_range_dimension(obj)
             func_name = strcat(obj.alias, '::append_alias_range_dimension');
             dim = nix.RangeDimension(nix_mx(func_name, obj.nix_handle));
-            %-- TODO purge once merged into removeCache branch.
-            obj.dimsCache.lastUpdate = 0;
         end
 
         function delCheck = delete_dimension(obj, index)