Removed misleading implementation node (related to shyiko#31)

Author: shyiko

readme.md

@@ -126,7 +126,6 @@ mBeanServer.registerMBean(stats, statsObjectName);
 
 - data of numeric types (tinyint, etc) always returned signed(!) regardless of whether column definition includes "unsigned" keyword or not
 - data of \*text/\*blob types always returned as a byte array
-- timestamp is timezone-sensitive
 
 ## Documentation