anv/image: Stop force-disabling AUX
anv/image: Stop force-disabling AUX

Auxiliary surfaces have to be created manually anyway so force-disabling it
does nothing whatsoever at the moment.

Reviewed-by: Topi Pohjolainen <749697f19798b7f640b17221fd283b903825f071@intel.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler