Remove commented fprintf

Author: wks

Diff for: gc/default.c

@@ -3600,7 +3600,6 @@ rb_gc_impl_shutdown_call_finalizer(void *objspace_ptr)
         // Just in case the VM exits before the interrupts are handled,
         // we explicitly drain the pending final jobs here.
         while (finalizer_table->num_entries || heap_pages_deferred_final != 0) {
-            //fprintf(stderr, "{%s} In while: num_entries: %zu\n", __func__, finalizer_table->num_entries);
             // We move all elements from the finalizer_table to heap_pages_deferred_final.
             st_foreach(finalizer_table, rb_mmtk_evacuate_finalizer_table_on_exit_i, 0);