fixup! gc/repack: release packs when needed

This drops the patch that made it already upstream (and Git for Windows
added the line *another* time)...

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

builtin/repack.c

@@ -421,8 +421,6 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 
 	close_all_packs(the_repository->objects);
 
-	close_all_packs(the_repository->objects);
-
 	/*
 	 * Ok we have prepared all new packfiles.
 	 * First see if there are packs of the same name and if so