Remove build vars from Dockerfiles

Signed-off-by: Byron Ruth <[email protected]>

library/nats

@@ -4,7 +4,7 @@ Maintainers: Derek Collison <[email protected]> (@derekcollison),
              Neil Twigg <[email protected]> (@neilalexander),
              Phil Pennock <[email protected]> (@philpennock)
 GitRepo: https://github.com/nats-io/nats-docker.git
-GitCommit: e7153cd76185c625bfef5384c81db4c96556173a
+GitCommit: c6270b7aabfd921822f677a190607d7da07976a0
 GitFetch: refs/heads/main
 
 Tags: 2.10.11-alpine3.19, 2.10-alpine3.19, 2-alpine3.19, alpine3.19, 2.10.11-alpine, 2.10-alpine, 2-alpine, alpine