Remove unused imports

Author: MaxGekk

sql/core/src/test/scala/org/apache/spark/sql/execution/command/v1/AlterTableDropPartitionSuite.scala

@@ -18,9 +18,7 @@
 package org.apache.spark.sql.execution.command.v1
 
 import org.apache.spark.sql.catalyst.analysis.NoSuchPartitionsException
-import org.apache.spark.sql.connector.catalog.CatalogManager
 import org.apache.spark.sql.execution.command
-import org.apache.spark.sql.test.SharedSparkSession
 
 trait AlterTableDropPartitionSuiteBase extends command.AlterTableDropPartitionSuiteBase {
   override protected val notFullPartitionSpecErr = "The following partitions not found in table"

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/AlterTableAddPartitionSuite.scala

@@ -18,7 +18,6 @@
 package org.apache.spark.sql.hive.execution.command
 
 import org.apache.spark.sql.execution.command.v1
-import org.apache.spark.sql.hive.test.TestHiveSingleton
 
 class AlterTableAddPartitionSuite
     extends v1.AlterTableAddPartitionSuiteBase