config: suppress field order check in Messages.java

Author: Bananeweizen

config/sevntu_suppressions.xml

@@ -5,4 +5,8 @@
         "https://checkstyle.org/dtds/suppressions_1_1.dtd">
 
 <suppressions>
+    <!-- Messages.java are generated by the Eclipse localization wizard, therefore field order is generally not managed by human editors -->
+    <suppress checks="CustomDeclarationOrder"
+             files="Messages.java"
+             />
 </suppressions>