remove unused imports

LuciferYang · LuciferYang · commit 738bdc6d3459 · 2021-05-13T14:14:23.000+08:00
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
@@ -18,7 +18,6 @@
 package org.apache.spark.sql.catalyst.expressions.codegen
 
 import java.io.ByteArrayInputStream
-import java.util.{Map => JavaMap}
 
 import scala.collection.JavaConverters._
 import scala.collection.mutable
@@ -28,8 +27,7 @@ import scala.util.control.NonFatal
 import com.google.common.cache.{CacheBuilder, CacheLoader}
 import com.google.common.util.concurrent.{ExecutionError, UncheckedExecutionException}
 import org.codehaus.commons.compiler.{CompileException, InternalCompilerException}
-import org.codehaus.commons.compiler.util.reflect.ByteArrayClassLoader
-import org.codehaus.janino.{ClassBodyEvaluator, SimpleCompiler}
+import org.codehaus.janino.ClassBodyEvaluator
 import org.codehaus.janino.util.ClassFile
 
 import org.apache.spark.{TaskContext, TaskKilledException}
