removed <stdexcept> from window.h
removed <stdexcept> from window.h

AMDmi3/TwinklebearDev-Lessons-libSDL2pp,AMDmi3/TwinklebearDev-Lessons,Twinklebear/TwinklebearDev-Lessons,libSDL2pp/TwinklebearDev-Lessons-libSDL2pp