Code cleanup: remove unused variables

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

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Address clang-analyzer warnings

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Code cleanup in NP1 prowizard converter

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Code cleanup in NP2 prowizard converter

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Code cleanup in NP3 prowizard converter

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