Revert "Adds more travis deps needed for installing PYPI:kerberos"
Revert "Adds more travis deps needed for installing PYPI:kerberos"

This reverts commit 0c7759fdb11fe360114c5b6e541be2eae7016870.

apache/tinkerpop,apache/incubator-tinkerpop,apache/incubator-tinkerpop,apache/tinkerpop,apache/tinkerpop,apache/tinkerpop,apache/tinkerpop,apache/tinkerpop,apache/incubator-tinkerpop,apache/tinkerpop