intel: Remove more code for x8z24 visuals, since we only do s8z24.
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 6e4bb64..5e3f408 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -312,18 +312,13 @@
       }
 
       if (mesaVis->depthBits == 24) {
-	 if (mesaVis->stencilBits == 8) {
-	    /* combined depth/stencil buffer */
-	    struct intel_renderbuffer *depthStencilRb
-	       = intel_create_renderbuffer(MESA_FORMAT_S8_Z24);
-	    /* note: bind RB to two attachment points */
-	    _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthStencilRb->Base);
-	    _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &depthStencilRb->Base);
-	 } else {
-	    struct intel_renderbuffer *depthRb
-	       = intel_create_renderbuffer(MESA_FORMAT_X8_Z24);
-	    _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
-	 }
+	 assert(mesaVis->stencilBits == 8);
+	 /* combined depth/stencil buffer */
+	 struct intel_renderbuffer *depthStencilRb
+	    = intel_create_renderbuffer(MESA_FORMAT_S8_Z24);
+	 /* note: bind RB to two attachment points */
+	 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthStencilRb->Base);
+	 _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &depthStencilRb->Base);
       }
       else if (mesaVis->depthBits == 16) {
          /* just 16-bit depth buffer, no hw stencil */