drm/tests: client: Remove extra blank lines

Some extra blank lines slipped through, remove them.

Fixes: 8fc0380f6ba7 ("drm/client: Add some tests for drm_connector_pick_cmdline_mode()")
Reviewed-by: Maíra Canal <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Maxime Ripard <[e-mail]>

drivers/gpu/drm/tests/drm_client_modeset_test.c

···
 	drm_connector_helper_add(&priv->connector, &drm_client_modeset_connector_helper_funcs);
 
 	return 0;
-
 }
 
 static void drm_test_pick_cmdline_res_1920_1080_60(struct kunit *test)
···
 
 	KUNIT_EXPECT_TRUE(test, drm_mode_equal(expected_mode, mode));
 }
-
 
 static struct kunit_case drm_test_pick_cmdline_tests[] = {
 	KUNIT_CASE(drm_test_pick_cmdline_res_1920_1080_60),