JBIDE-17543 - Investigate JUnit test duration

Not major improvement, despite a few changes

Also fixed JBIDE-17551 (renamed ui.test 'Logger' to 'TestLogger')
JBIDE-17466 - Cleanup obsolete code after replacement of JAX-RS Wizard(s)

Removed all class related to (old) JAX-RS Resource and Application generation
Removed all blocks / UI widgets in the wizard
Removed labels in .properties files