[mutter] tests/monitor-unit-tests: Remove left-over debug printf

[Marge Bot <marge-bot src gnome org>]

commit b7a9c1d4e55031891390bf070069d87833c3eb16
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Nov 26 17:30:34 2020 +0100

    tests/monitor-unit-tests: Remove left-over debug printf
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1607>

 src/tests/monitor-unit-tests.c | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/tests/monitor-unit-tests.c b/src/tests/monitor-unit-tests.c
index 6cce739971..1ec17f91ef 100644
--- a/src/tests/monitor-unit-tests.c
+++ b/src/tests/monitor-unit-tests.c
@@ -5398,8 +5398,6 @@ meta_test_monitor_wm_tiling (void)
   meta_window_move_to_monitor (test_window, 1);
   check_test_client_state (test_client);
 
-  fprintf(stderr, ":::: %s:%d %s() - UNPLUGGING\n", __FILE__, __LINE__, __func__);
-
   test_case.setup.n_outputs = 0;
   test_setup = create_monitor_test_setup (&test_case.setup,
                                           MONITOR_TEST_FLAG_NO_STORED);