Code cleanup

Author: cyrille-leclerc

src/main/java/io/jenkins/plugins/opentelemetry/backend/elastic/ElasticsearchLogStorageRetriever.java

@@ -136,7 +136,6 @@ public LogsQueryResult overallLog(
                 context = new ElasticsearchSearchContext();
                 session.setAttribute(runIdentifier.getId(), context);
                 spanBuilder.setAttribute("elasticsearchSearchContext", "new");
-                spanBuilder.setAttribute("elasticsearchSearchContext.identityHashCode", System.identityHashCode(context));
             }
         } else {
             if (complete) {
@@ -145,7 +144,6 @@ public LogsQueryResult overallLog(
             } else {
                 spanBuilder.setAttribute("elasticsearchSearchContext", "reuse");
             }
-            spanBuilder.setAttribute("elasticsearchSearchContext.identityHashCode", System.identityHashCode(context));
             spanBuilder.setAttribute("from", context.from);
         }
         Span span = spanBuilder

src/main/java/io/jenkins/plugins/opentelemetry/backend/elastic/ElasticsearchLogsSearchIterator.java

@@ -193,8 +193,7 @@ protected Iterator<String> loadNextFormattedLogLines() throws IOException {
                 .setAttribute("query.size", PAGE_SIZE)
                 .setAttribute("query.match.traceId", traceId)
                 .setAttribute("query.match.jobFullName", jobFullName)
-                .setAttribute("query.match.runNumber", runNumber)
-                .setAttribute("elasticsearchSearchContext.identityHashCode", System.identityHashCode(context));
+                .setAttribute("query.match.runNumber", runNumber);
 
             BoolQuery.Builder queryBuilder = QueryBuilders.bool()
                 .must(