java,wizards: remove unnecessary use of reflection

Change-Id: I6c879957e4dcd003eb155900d4cc9cd8f445ef32
java,wizards: remove unnecessary use of reflection

Change-Id: I44750fa6673c7b5e0a796b6e443028aa3a5e68fc
java,wizards: remove completely unreferenced fields

found by UCDetector

Change-Id: I00a35337478111991dec7fa6310e57d3b5a146fa