Add missing time_format_validation_record from clean exceptions

trytond/ir/translation.py

@@ -941,6 +941,7 @@ class TranslationClean(Wizard):
                 'foreign_model_missing',
                 'foreign_model_exist',
                 'search_function_missing',
+                'time_format_validation_record',
                 ):
             return False
         if model_name in pool.object_name_list():