vboxDumpSharedFolders: remove pointless comment

Now that the functions are separate, we no longer need comment
separators.
Signed-off-by: NJán Tomko <jtomko@redhat.com>

src/vbox/vbox_common.c

@@ -3630,7 +3630,6 @@ vboxDumpDisplay(virDomainDefPtr def, vboxDriverPtr data, IMachine *machine)
 static void
 vboxDumpSharedFolders(virDomainDefPtr def, vboxDriverPtr data, IMachine *machine)
 {
-    /* shared folders */
     vboxArray sharedFolders = VBOX_ARRAY_INITIALIZER;
     size_t i = 0;