Revert "BUG-634: add tcpmd5 configuration binding"

This reverts commit 935f45a14b091d6f4d628039a252029c1aa7ac05.

Conflicts:
	tcp-md5/api-cfg/pom.xml
	tcp-md5/jni-cfg/pom.xml
	tcp-md5/netty-cfg/pom.xml

Change-Id: I5d88bb57ee9a282cfaaf3af3f475d412eabfea2b
Signed-off-by: Robert Varga <rovarga@cisco.com>