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

Only one reference to CNL that is not needed, but code is the same for
DISPLAY_VER >= 11, so leave the code around and just remove the special
case for CNL.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210728215946.1573015-8-lucas.demarchi@intel.com

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

@@ -2500,7 +2500,7 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 				    connector, &i915_hdcp_sink_capability_fops);
 	}
 
-	if ((DISPLAY_VER(dev_priv) >= 11 || IS_CANNONLAKE(dev_priv)) &&
+	if (DISPLAY_VER(dev_priv) >= 11 &&
 	    ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort &&
 	    !to_intel_connector(connector)->mst_port) ||
 	    connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {