remove class member for collatrion enabled

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/Mode.scala

@@ -18,14 +18,14 @@
 package org.apache.spark.sql.catalyst.expressions.aggregate
 
 import scala.collection.mutable.TreeMap
+
 import org.apache.spark.sql.catalyst.InternalRow
 import org.apache.spark.sql.catalyst.analysis.{ExpressionBuilder, UnresolvedWithinGroup}
 import org.apache.spark.sql.catalyst.expressions.{Ascending, Descending, Expression, ExpressionDescription, ImplicitCastInputTypes, SortOrder}
 import org.apache.spark.sql.catalyst.trees.UnaryLike
 import org.apache.spark.sql.catalyst.types.PhysicalDataType
 import org.apache.spark.sql.catalyst.util.{CollationFactory, GenericArrayData}
 import org.apache.spark.sql.errors.QueryCompilationErrors
-import org.apache.spark.sql.internal.SQLConf
 import org.apache.spark.sql.types.{AbstractDataType, AnyDataType, ArrayType, BooleanType, DataType, StringType}
 import org.apache.spark.unsafe.types.UTF8String
 import org.apache.spark.util.collection.OpenHashMap

sql/core/src/test/scala/org/apache/spark/sql/execution/benchmark/CollationBenchmark.scala

@@ -201,7 +201,7 @@ abstract class CollationBenchmarkBase extends BenchmarkBase {
     collationTypes.foreach { collationType => {
       benchmark.addCase(s"$collationType") { _ =>
         val modeDefaultCollation = Mode(child =
-          Literal.create("some_column_name", StringType(collationType)), collationEnabled = true)
+          Literal.create("some_column_name", StringType(collationType)))
         val buffer = new OpenHashMap[AnyRef, Long](value.size)
         value.zipWithIndex.sliding(20, 20).foreach(slide => {
           slide.foreach { case (v: UTF8String, i: Int) =>
@@ -215,7 +215,7 @@ abstract class CollationBenchmarkBase extends BenchmarkBase {
     }
     benchmark.addCase(s"Collation Not Enabled") { _ =>
       val modeNoCollation = Mode(child =
-        Literal("some_column_name"), collationEnabled = false)
+        Literal("some_column_name"))
       val buffer = new OpenHashMap[AnyRef, Long](value.size)
       value.zipWithIndex.sliding(20, 20).foreach(slide => {
         slide.foreach { case (v: UTF8String, i: Int) =>