Remove unused calls

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Pass alpha channel value to setrgb

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Adjust u2e starting rectangles frame rate

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Add fade to white at end

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