investigated the netmembership function. It is no longer necessary for the new egg files because it is not possible for vertex to assign a joint with 0 membership

pandatool/src/softegg/softToEggConverter.cxx

@@ -2005,19 +2005,6 @@ cleanup_soft_skin()
         // hard skin this vertex
         joint->ref_vertex( vert, 1.0f );
       }
-      /*
-      else {    
-        membership = joint->get_vertex_membership(vert);
-        if ( membership == 0 ) {
-          
-          softegg_cat.spam() << "vert " << vert->get_external_index() << " has membership " << membership << endl;
-          //softegg_cat.spam() << "adding full weight..\n";
-          
-          // hard skin this vertex
-          joint->ref_vertex( vert, 1.0f );
-        }
-      }
-      */
     }
   }
   return true;