Revert "(RMenu) Attempt same glitch fix as in RGUI for 'exit immediately"

This reverts commit 95342e7638ef6c4aa17d2a3daba02788be0f2b7b.
Revert "don't immediately exit if we leave the menu by means other than the menu button"

This reverts commit 7bd8de8dbddecbdaefbc79e3c2a48d404243c602.
Revert "Menu toggle without delay timers (more testing might be needed -"

This reverts commit 54a6175a555925d8a3530756b1fa6c9a7b14adc2.
Revert "(RGUI) Add more WIN32 path handling fixes"

This reverts commit b942b76b3c8e87e3b801b0eee3ed7d538546474c.
Revert "(RGUI) Add some patches for _WIN32 - still broken path handling"

This reverts commit d17a43220f0e7574322e38c4c7a3cce14fdf6ce1.