Remove default debug setting

Author: acogoluegnes

src/main/resources/logback-perf-test.xml

@@ -8,9 +8,7 @@
 ${loggers}
 
     <logger name="org.jgroups.protocols.pbcast.STATE_TRANSFER" level="error" />
-    <logger name="com.rabbitmq.perf.ConnectionCreator" level="debug" />
-
     <root level="warn">
         <appender-ref ref="STDOUT" />
     </root>
-</configuration>
+</configuration>