Do not use custom ydb docker image for query example

Author: pnv1

query-example/pom.xml

@@ -73,7 +73,6 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <configuration>
                     <environmentVariables>
-                        <YDB_DOCKER_IMAGE>cr.yandex/yc/yandex-docker-local-ydb:trunk</YDB_DOCKER_IMAGE>
                         <TESTCONTAINERS_REUSE_ENABLE>true</TESTCONTAINERS_REUSE_ENABLE>
                         <YDB_ANONYMOUS_CREDENTIALS>1</YDB_ANONYMOUS_CREDENTIALS>
                     </environmentVariables>