remove unused forward declaration

git-svn-id: https://dng.biozentrum.unibas.ch/svn/openstructure/trunk@2138 5a81b35b-ba03-0410-adc8-b2c5c5119f08

modules/conop/src/conop.hh

@@ -24,12 +24,7 @@
 #include <ost/mol/entity_handle.hh>
 #include "builder_fw.hh"
 
-namespace ost {
-
-// fw decl;
-class EntityHandle;
-
-namespace conop {
+namespace ost { namespace conop {
 
 class DLLEXPORT_OST_CONOP Conopology {
   typedef std::map<String,BuilderP> BuilderMap;