[gtk/bin-removal: 29/59] css testsuite: Remove an obsolete test

[Matthias Clasen <matthiasc src gnome org>]

commit c6a0d21fee2922be3cd72964be981816497e897f
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon May 4 12:28:21 2020 -0400

    css testsuite: Remove an obsolete test
    
    This was testing something that shouldn't be possible
    anyway: Adding more than one child to a bin. With the
    bin removal, this now just overrides the child so
    only one child is left in the end.
    
    Just remove the test.

 testsuite/css/change/test5.css   |  5 -----
 testsuite/css/change/test5.nodes | 12 ------------
 testsuite/css/change/test5.ui    | 40 ----------------------------------------
 3 files changed, 57 deletions(-)