kconfig: nuke reference to SWIG

SWIG is not used (yet?) to create kconfig binding, so there is no point
referencing it.

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 16bfae2..80fce57 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -172,8 +172,6 @@
 #define MENU_CHANGED		0x0001
 #define MENU_ROOT		0x0002
 
-#ifndef SWIG
-
 extern struct file *file_list;
 extern struct file *current_file;
 struct file *lookup_file(const char *name);
@@ -218,7 +216,6 @@
 {
 	return e && (e->type == E_SYMBOL && e->left.sym == &symbol_no);
 }
-#endif
 
 #ifdef __cplusplus
 }