drm/nouveau/disp/g94: remove unused sor implementation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c

@@ -38,13 +38,6 @@ g94_sor_loff(struct nvkm_output_dp *outp)
 	return g94_sor_soff(outp) + !(outp->base.info.sorconf.link & 1) * 0x80;
 }
 
-/*******************************************************************************
- * TMDS/LVDS
- ******************************************************************************/
-static const struct nvkm_output_func
-g94_sor_output_func = {
-};
-
 /*******************************************************************************
  * DisplayPort
  ******************************************************************************/