just setting the switch for import syntax from "2.0" back to "1.3"

frontend/syntax.dcl

@@ -6,7 +6,7 @@ import scanner, general, typeproperties, Heap
 
 PA_BUG on off :== on
 
-switch_import_syntax one_point_three two_point_zero :== two_point_zero
+switch_import_syntax one_point_three two_point_zero :== one_point_three
 	/* when finally removing this switch also remove the argument of STE_Instance and ID_OldSyntax */
 
 SwitchFusion fuse dont_fuse :== dont_fuse

frontend/syntax.icl

@@ -5,7 +5,7 @@ import StdEnv, compare_constructor // ,RWSDebug
 import scanner, general, Heap, typeproperties, utilities
 
 PA_BUG on off :== on
-switch_import_syntax one_point_three two_point_zero :== two_point_zero
+switch_import_syntax one_point_three two_point_zero :== one_point_three
 SwitchFusion fuse dont_fuse :== dont_fuse
 switch_port_to_new_syntax port dont_port :== dont_port