Revert "Scaffolding for the bouncing is set up"

This reverts commit fee4de44f7cd2373427e161b8e5b4d7828c47a41.
Revert "Nothing spawns if a ship is in the spawning zone"

This reverts commit 2c85f23b8d90c9282781e47e71d7dfc617b14345.
Revert "Exit button"

This reverts commit 07d2e1f0739c90d895d927a4c3c73760258a0d48.