MapR [SPARK-927] Update Hive in Spark-3.1.2 (apache#861)

Co-authored-by: Egor Krivokon <>

Author: Egor Krivokon

core/src/main/scala/org/apache/spark/ui/HttpSecurityFilter.scala

@@ -26,7 +26,6 @@ import scala.collection.JavaConverters._
 import org.apache.commons.text.StringEscapeUtils
 
 import org.apache.spark.{SecurityManager, SparkConf}
-import org.apache.spark.internal.config.UI._
 
 /**
  * A servlet filter that implements HTTP security features. The following actions are taken