MISC: Remove no longer needed ressources and vendor folder

rsc/VivyRessources.qrc

rsc/lua/lib.lua

rsc/lua/module.lua

rsc/qdarkstyle_dark.qss

rsc/qdarkstyle_light.qss

rsc/rc_dark/arrow_down.png

rsc/rc_dark/arrow_down@2x.png

rsc/rc_dark/arrow_down_disabled.png

rsc/rc_dark/arrow_down_disabled@2x.png

rsc/rc_dark/arrow_down_focus.png

rsc/rc_dark/arrow_down_focus@2x.png

rsc/rc_dark/arrow_down_pressed.png

rsc/rc_dark/arrow_down_pressed@2x.png

rsc/rc_dark/arrow_left.png

rsc/rc_dark/arrow_left@2x.png

rsc/rc_dark/arrow_left_disabled.png

rsc/rc_dark/arrow_left_disabled@2x.png

rsc/rc_dark/arrow_left_focus.png

rsc/rc_dark/arrow_left_focus@2x.png

rsc/rc_dark/arrow_left_pressed.png