Removed unused import

Author: ektabj

awsagentprovider/src/main/java/software/amazon/opentelemetry/javaagent/providers/AwsMetricAttributeGenerator.java

@@ -42,7 +42,6 @@
 import static io.opentelemetry.semconv.SemanticAttributes.SERVER_SOCKET_ADDRESS;
 import static io.opentelemetry.semconv.SemanticAttributes.SERVER_SOCKET_PORT;
 import static software.amazon.opentelemetry.javaagent.providers.AwsAttributeKeys.AWS_BUCKET_NAME;
-import static software.amazon.opentelemetry.javaagent.providers.AwsAttributeKeys.AWS_REMOTE_DB_USER;
 import static software.amazon.opentelemetry.javaagent.providers.AwsAttributeKeys.AWS_LOCAL_OPERATION;
 import static software.amazon.opentelemetry.javaagent.providers.AwsAttributeKeys.AWS_LOCAL_SERVICE;
 import static software.amazon.opentelemetry.javaagent.providers.AwsAttributeKeys.AWS_QUEUE_NAME;