PIG-4540: Remove repetitive org.apache.pig.test.Util#isSparkExecType (Liyun via Xuefu)
PIG-4540: Remove repetitive org.apache.pig.test.Util#isSparkExecType (Liyun via Xuefu)

git-svn-id: d317905e1b1233abb7022f5914f79c3119e04b87@1678284 13f79535-47bb-0310-9956-ffa450edef68

kellyzly/pig,kellyzly/pig,kellyzly/pig,kellyzly/pig,kellyzly/pig,kellyzly/pig,kellyzly/pig