[CARBONDATA-2782]delete dead code in class 'CarbonCleanFilesCommand'

The variables(dms、indexDms) in function processMetadata are nerver used.

This closes #2557


Project: http://git-wip-us.apache.org/repos/asf/carbondata/repo
Commit: http://git-wip-us.apache.org/repos/asf/carbondata/commit/92eed69f
Tree: http://git-wip-us.apache.org/repos/asf/carbondata/tree/92eed69f
Diff: http://git-wip-us.apache.org/repos/asf/carbondata/diff/92eed69f

Branch: refs/heads/branch-1.4
Commit: 92eed69f7677696a81919149f644fa069fc2c775
Parents: d587005
Author: Sssan520 <[email protected]>
Authored: Wed Jul 25 19:36:00 2018 +0800
Committer: ravipesala <[email protected]>
Committed: Tue Jul 31 00:11:26 2018 +0530

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 .../execution/command/management/CarbonCleanFilesCommand.scala   | 4 ----
 1 file changed, 4 deletions(-)
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http://git-wip-us.apache.org/repos/asf/carbondata/blob/92eed69f/integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/management/CarbonCleanFilesCommand.scala
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diff --git 
a/integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/management/CarbonCleanFilesCommand.scala
 
b/integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/management/CarbonCleanFilesCommand.scala
index 9d0f149..e561a5a 100644
--- 
a/integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/management/CarbonCleanFilesCommand.scala
+++ 
b/integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/management/CarbonCleanFilesCommand.scala
@@ -58,10 +58,6 @@ case class CarbonCleanFilesCommand(
   override def processMetadata(sparkSession: SparkSession): Seq[Row] = {
     carbonTable = CarbonEnv.getCarbonTable(databaseNameOp, 
tableName.get)(sparkSession)
 
-    val dms = 
carbonTable.getTableInfo.getDataMapSchemaList.asScala.map(_.getDataMapName)
-    val indexDms = 
DataMapStoreManager.getInstance.getAllDataMap(carbonTable).asScala
-      .filter(_.getDataMapSchema.isIndexDataMap)
-
     if (carbonTable.hasAggregationDataMap) {
       cleanFileCommands = 
carbonTable.getTableInfo.getDataMapSchemaList.asScala.map {
         dataMapSchema =>

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