drm/i915/ddi: Remove redundant intel_connector NULL check

Remove redundant intel_connector NULL check. Having it here just
creates further confusion and also the variable already gets
dereferenced before the aforementioned NULL check

Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231006072830.581487-1-suraj.kandpal@intel.com

Author: surajk8

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

@@ -4333,7 +4333,7 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder,
 	u8 config;
 	int ret;
 
-	if (!connector || connector->base.status != connector_status_connected)
+	if (connector->base.status != connector_status_connected)
 		return 0;
 
 	ret = drm_modeset_lock(&dev_priv->drm.mode_config.connection_mutex,