the other versions have been removed, no need to load the keys for them!

git-svn-id: https://xpra.org/svn/Xpra/trunk@13742 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/codecs/nv_util.py

@@ -287,7 +287,7 @@ def main():
         if is_blacklisted():
             log.warn("Warning: this driver version is blacklisted")
         log.info("NVENC license keys:")
-        for v in (0, 4, 5, 6, 7):
+        for v in (0, 7):
             keys = get_nvenc_license_keys(v)
             log.info("* version %s: %s key(s)", v or "common", len(keys))
             for k in keys: