After uninstalling/disable the Java EE, Java Common and JMX cartridges. Related services/dashboard not being deleted.
The difference is from JavaEE 5.8.0/JMX 5.8.0 onwards there is two cartridge (java and jmx) using the common monitor dashboard. Going forward, .NET cartridge also. So uninstalling/disable any one of these cartridges would not remove these.
Verify if customappcommon catridge also uninstalled/disabled.