Revert " issue apache#3161 ported pr commits apache#3381"

This reverts commit 08bf0fa.

Author: ramanathan1504

log4j-layout-template-json-test/pom.xml

@@ -49,7 +49,7 @@
          2. The Docker image version of the ELK-stack
 
          As of 2024-09-16, these all (Maven artifacts and Elastic products) get released with the same version. -->
-    <elastic.version>9.1.3</elastic.version>
+    <elastic.version>8.17.3</elastic.version>
 
   </properties>
 
@@ -121,13 +121,6 @@
       <scope>test</scope>
     </dependency>
 
-    <dependency>
-      <groupId>org.elasticsearch.client</groupId>
-      <artifactId>elasticsearch-rest-client</artifactId>
-      <version>8.13.4</version>
-      <scope>test</scope>
-    </dependency>
-
   </dependencies>
 
   <build>