drm/i915/display: remove explicit CNL handling from intel_crtc.c

No need for special CNL handling as there is no real platform with that
configuration.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210728215946.1573015-6-lucas.demarchi@intel.com

drivers/gpu/drm/i915/display/intel_crtc.c

@@ -335,7 +335,7 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe)
 		dev_priv->plane_to_crtc_mapping[i9xx_plane] = crtc;
 	}
 
-	if (DISPLAY_VER(dev_priv) >= 11 || IS_CANNONLAKE(dev_priv))
+	if (DISPLAY_VER(dev_priv) >= 11)
 		drm_crtc_create_scaling_filter_property(&crtc->base,
 						BIT(DRM_SCALING_FILTER_DEFAULT) |
 						BIT(DRM_SCALING_FILTER_NEAREST_NEIGHBOR));