remove unused imports

Author: fupelaqu

core/src/test/scala/app/softnetwork/elastic/client/MappingApiSpec.scala

@@ -3,12 +3,10 @@ package app.softnetwork.elastic.client
 import org.scalatest.wordspec.AnyWordSpec
 import org.scalatest.matchers.should.Matchers
 import org.scalatest.BeforeAndAfterEach
-import org.mockito.{ArgumentCaptor, ArgumentMatchersSugar, MockitoSugar}
+import org.mockito.{ArgumentMatchersSugar, MockitoSugar}
 import org.slf4j.Logger
 import app.softnetwork.elastic.client.result._
 
-import scala.jdk.CollectionConverters._
-
 /** Unit tests for MappingApi
   */
 class MappingApiSpec