Bug 24897: (RM follow-up) Drop tests for es-ES notices

This follow-up removes the tests for the presence and validity of the
spanish translated notices.

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

xt/sample_notices.t

@@ -27,7 +27,6 @@ my @trans_notices_files = qw(
     fr-FR/1-Obligatoire/sample_notices.sql
     fr-CA/obligatoire/sample_notices.sql
     de-DE/mandatory/sample_notices.sql
-    es-ES/mandatory/sample_notices.sql
     it-IT/necessari/notices.sql
     nb-NO/1-Obligatorisk/sample_notices.sql
     pl-PL/mandatory/sample_notices.sql