radeonsi: don't declare LDS in TES
radeonsi: don't declare LDS in TES

not used since we started using the offchip tess ring

Reviewed-by: Nicolai Hähnle <0d0be6cf5ad662651be2dc5dfd44aa2b09d4c1cc@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler