CDAP-1024 workaround to get around Hive issues when the hive-exec
jar packages an incompatible version of guava. The guava version
in the hive-exec fat jar always gets used so we are removing a
guava13 call as a temporary workaround.
Merge pull request #837 from caskdata/hotfix/CDAP-1024-guava-issues-in-explore

CDAP-1024 workaround to get around Hive issues when the hive-exec