contrib: caca: disable package not usable on Winstore builds

uses AllocConsole, GetConsoleCursorInfo, SetConsoleCursorInfo, SetConsoleMode,
CreateConsoleScreenBuffer, SetConsoleScreenBufferSize, SetConsoleWindowInfo,
SetConsoleActiveScreenBuffer, SetConsoleActiveScreenBuffer, SetConsoleTextAttribute,
SetConsoleTitle, WriteConsoleOutputW, GetNumberOfConsoleInputEvents, ReadConsoleInput
and GetStdHandle (which are now available)