westoy: Remove window_touch_move

It seems to be the same as window_move, except it ignores the passed
in serial (???) and instead just uses the one of the display.

clients/flower.c

@@ -158,8 +158,7 @@ touch_down_handler(struct widget *widget, struct input *input,
 		   float x, float y, void *data)
 {
 	struct flower *flower = data;
-	window_touch_move(flower->window, input, 
-			  display_get_serial(flower->display));
+	window_move(flower->window, input, display_get_serial(flower->display));
 }
 
 int main(int argc, char *argv[])

clients/fullscreen.c

@@ -283,8 +283,7 @@ touch_handler(struct widget *widget, struct input *input,
 		   float x, float y, void *data)
 {
 	struct fullscreen *fullscreen = data;
-	window_touch_move(fullscreen->window, input, 
-			  display_get_serial(fullscreen->display));
+	window_move(fullscreen->window, input, display_get_serial(fullscreen->display));
 }
 
 static void

clients/transformed.c

@@ -227,8 +227,7 @@ touch_handler(struct widget *widget, struct input *input,
 		   float x, float y, void *data)
 {
 	struct transformed *transformed = data;
-	window_touch_move(transformed->window, input, 
-			  display_get_serial(transformed->display));
+	window_move(transformed->window, input, display_get_serial(transformed->display));
 }
 
 static void

clients/window.c

@@ -3590,16 +3590,6 @@ window_move(struct window *window, struct input *input, uint32_t serial)
 	wl_shell_surface_move(window->shell_surface, input->seat, serial);
 }
 
-void
-window_touch_move(struct window *window, struct input *input, uint32_t serial)
-{
-	if (!window->shell_surface)
-		return;
-
-	wl_shell_surface_move(window->shell_surface, input->seat, 
-			      window->display->serial);
-}
-
 static void
 surface_set_synchronized(struct surface *surface)
 {

clients/window.h

@@ -333,8 +333,6 @@ window_get_display(struct window *window);
 void
 window_move(struct window *window, struct input *input, uint32_t time);
 void
-window_touch_move(struct window *window, struct input *input, uint32_t time);
-void
 window_get_allocation(struct window *window, struct rectangle *allocation);
 void
 window_schedule_redraw(struct window *window);