Fix some more build errors

BauSystem/BauSystem_Main/src/BauSystem.properties

@@ -940,7 +940,6 @@ SELECT_HELP=§8/§eselect §8[§7RegionsTyp§8] §8- §7Select a region type
 SELECT_EXTENSION_HELP=§8/§eselect §8[§7RegionsTyp§8] §8[§7Extension§8] §8- §7Select a region type with or without extension
 SELECT_GLOBAL_REGION=§cThe global region cannot be selected
 SELECT_NO_TYPE=§cThis region has no {0}
-SELECT_NO_EXTENSION=§cThis region has no extension
 SELECT_MESSAGE=§7WorldEdit selection set to {0}, {1}, {2} and {3}, {4}, {5}
 SKULL_HELP=§8/§eskull §8[§eplayer§8] §8-§7 Receive a player head
 SKULL_INVALID=§cInvalid player name