remove useless code

Signed-off-by: xinyual <xinyual@amazon.com>

Author: xinyual

common/src/main/java/org/opensearch/ml/common/agent/MLToolSelectionSpec.java

@@ -289,8 +289,6 @@ public  <T> T createPredictPayload(Map<String, String> parameters) {
             payload = fillNullParameters(parameters, payload);
             StringSubstitutor substitutor = new StringSubstitutor(parameters, "${parameters.", "}");
             payload = substitutor.replace(payload);
-            log.info("to llm");
-            log.info(payload);
             if (!isJson(payload)) {
                 throw new IllegalArgumentException("Invalid payload: " + payload);
             }

common/src/main/java/org/opensearch/ml/common/connector/HttpConnector.java

@@ -117,8 +117,6 @@ public void invokeRemoteModel(MLInput mlInput, Map<String, String> parameters, S
                 throw new OpenSearchStatusException("No response from model", RestStatus.BAD_REQUEST);
             }
             String modelResponse = responseBuilder.toString();
-            log.info("from LLM");
-            log.info(modelResponse);
             if (statusCode < 200 || statusCode >= 300) {
                 throw new OpenSearchStatusException(REMOTE_SERVICE_ERROR + modelResponse, RestStatus.fromCode(statusCode));
             }