Revert "Homebrew packages are called libSDL2main and libSDL2"
Revert "Homebrew packages are called libSDL2main and libSDL2"

This reverts commit a731b12f09015eab9486f7a8b0a90896f5d295a0.

Cobrand/rust-sdl2,Rust-SDL2/rust-sdl2,Cobrand/rust-sdl2,Rust-SDL2/rust-sdl2,Rust-SDL2/rust-sdl2,Cobrand/rust-sdl2,AngryLawyer/rust-sdl2