remove unused fields from struct tog_view
diff --git a/tog/tog.c b/tog/tog.c
index 18a06ad..c7e5de1 100644
--- a/tog/tog.c
+++ b/tog/tog.c
@@ -203,8 +203,6 @@ struct tog_view {
int nlines, ncols, begin_y, begin_x;
int lines, cols; /* copies of LINES and COLS */
int focussed;
- struct tog_view *parent;
- struct tog_view *child;
/* type-specific state */
enum tog_view_type type;