Code cleanup in Unic Tracker 2 prowizard converter

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Code cleanup in Wanton Packer prowizard converter

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Code cleanup in P50a/P60a prowizard converters

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Code cleanup in AC1D prowizard converter

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>