Revert "Improve EDIF lib_cell_ports scan"

This reverts commit cff3195.

backends/edif/edif.cc

@@ -192,14 +192,6 @@ struct EdifBackend : public Backend {
 
 		for (auto module : design->modules())
 		{
-			lib_cell_ports[module->name];
-
-			for (auto port : module->ports)
-			{
-				Wire *wire = module->wire(port);
-				lib_cell_ports[module->name][port] = std::max(lib_cell_ports[module->name][port], GetSize(wire));
-			}
-
 			if (module->get_blackbox_attribute())
 				continue;
 
@@ -216,7 +208,7 @@ struct EdifBackend : public Backend {
 				if (design->module(cell->type) == nullptr || design->module(cell->type)->get_blackbox_attribute()) {
 					lib_cell_ports[cell->type];
 					for (auto p : cell->connections())
-						lib_cell_ports[cell->type][p.first] = std::max(lib_cell_ports[cell->type][p.first], GetSize(p.second));
+						lib_cell_ports[cell->type][p.first] = GetSize(p.second);
 				}
 			}
 		}