Kill the goldfish emulator crap with fire.

This reverts the following commits that break building on older
devices:

Revert "Android Emulator [ARM]"

This reverts commit fcb6bfc501db9538ffec90e8729e274e09717699.

Revert "add camera.goldfish.jpeg to emulator targets and mini targets"

This reverts commit d9b0e80c1d2a70dae1ce7905ff4bfd554029bb88.

Revert "pull goldfish specific stuffs from emulator.mk"

This reverts commit c3eb68c4ba383e7de2dd9b761d96dbe646586845.
Remove device check

This causes issues with some recoveries