Using trace in place of warn in logger

Signed-off-by: Kshitij Tandon <tandonks@amazon.com>

src/main/kotlin/org/opensearch/indexmanagement/rollup/interceptor/RollupInterceptor.kt

@@ -354,7 +354,7 @@ class RollupInterceptor(
             request.source(request.source().rewriteSearchSourceBuilder(matchingRollupJobs.keys, fieldNameMappingTypeMap, concreteSourceIndex))
         } else {
             if (matchingRollupJobs.keys.size > 1) {
-                logger.warn("Trying search with search across multiple rollup jobs disabled so will give result with largest rollup window")
+                logger.trace("Trying search with search across multiple rollup jobs disabled so will give result with largest rollup window")
             }
             request.source(request.source().rewriteSearchSourceBuilder(matchedRollup, fieldNameMappingTypeMap, concreteSourceIndex))
         }