Remove support for crosscompilation in luajit.cmake
Remove support for crosscompilation in luajit.cmake

Note: it was incomplete, made thing unnecessary complex and it did not
align with the CMake way (c) for crosscompilation.

rtsisyk/tarantool,vasilenkomike/tarantool,ocelot-inc/tarantool,guard163/tarantool,Sannis/tarantool,rtsisyk/tarantool,condor-the-bird/tarantool,KlonD90/tarantool,mejedi/tarantool,guard163/tarantool,Sannis/tarantool,guard163/tarantool,vasilenkomike/tarantool,vasilenkomike/tarantool,Sannis/tarantool,Sannis/tarantool,condor-the-bird/tarantool,mejedi/tarantool,ocelot-inc/tarantool,vasilenkomike/tarantool,guard163/tarantool,Sannis/tarantool,rtsisyk/tarantool,condor-the-bird/tarantool,vasilenkomike/tarantool,condor-the-bird/tarantool,ocelot-inc/tarantool,KlonD90/tarantool,KlonD90/tarantool,KlonD90/tarantool,ocelot-inc/tarantool,mejedi/tarantool,mejedi/tarantool,KlonD90/tarantool,guard163/tarantool,condor-the-bird/tarantool,rtsisyk/tarantool