Clean up yum commands in centos Dockerfiles

library/websphere-liberty

@@ -2,7 +2,7 @@ Maintainers: Wendy Raschke <[email protected]> (@wraschke),
              Andy Naumann <[email protected]> (@naumanna),
              Arthur De Magalhaes <[email protected]> (@arthurdm)
 GitRepo: https://github.com/WASdev/ci.docker.git
-GitCommit: e5af704e2ccc473dd527a0626751ed9ec9cab57d
+GitCommit: e944d4d56a484b53df12085c05ec81aa067c90f5
 Architectures: amd64, i386, ppc64le, s390x
 
 Tags: beta