gio/fam: Remove leftover debug print

This leftover debug print was introduced by d682df186e9cca2b8db0e921450a4db31cf0c467
and is obviously bad for applications that are expecting something
else on stdout, etc.

See: https://bugzilla.redhat.com/show_bug.cgi?id=1396386

https://bugzilla.gnome.org/show_bug.cgi?id=780144
diff --git a/gio/fam/gfamfilemonitor.c b/gio/fam/gfamfilemonitor.c
index 50474c8..551b3c2 100644
--- a/gio/fam/gfamfilemonitor.c
+++ b/gio/fam/gfamfilemonitor.c
@@ -140,8 +140,6 @@
 
   g_mutex_unlock (&fam_lock);
 
-  g_print ("II %d\n", fam_initialised);
-
   return fam_initialised;
 }