Change local index replica count to 0 (#257) (#258)

(cherry picked from commit 5ef5437)

Signed-off-by: David Zane <davizane@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

src/main/java/org/opensearch/plugin/insights/core/exporter/LocalIndexExporter.java

@@ -55,7 +55,7 @@ public class LocalIndexExporter implements QueryInsightsExporter {
     private DateTimeFormatter indexPattern;
     private int deleteAfter;
     private final String id;
-    private static final int DEFAULT_NUMBER_OF_REPLICA = 1;
+    private static final int DEFAULT_NUMBER_OF_REPLICA = 0;
     private static final int DEFAULT_NUMBER_OF_SHARDS = 1;
     private static final List<String> DEFAULT_SORTED_FIELDS = List.of(
         "measurements.latency.number",