QPIDJMS-488: drop netty-tcnative test dep back to 2.0.26 to get CI builds working.
QPIDJMS-488: drop netty-tcnative test dep back to 2.0.26 to get CI builds working.

Related issue: https://github.com/netty/netty-tcnative/issues/523

This reverts commit 458489ac08d0af0bd2a0025fc71c6c9c2906a290.

tabish121/qpid-jms,apache/qpid-jms,tabish121/qpid-jms,gemmellr/qpid-jms,gemmellr/qpid-jms,apache/qpid-jms