[Wasm GC] [NFC] Remove .type checks from GUFA that are not needed with modern nulls (#5154)
[Wasm GC] [NFC] Remove .type checks from GUFA that are not needed with modern nulls (#5154)

Modern nulls never compare equal unless they have the same type too.
WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen