Revert "Fix touch not working due to gr_fb_width returning 0 in some cases"

This reverts commit 70e1129612765b14e5aace0155d4683c91cde951.
No longer needed after http://review.teamw.in/#/c/655/
diff --git a/minuitwrp/minui.h b/minuitwrp/minui.h
index 66e7f4f..03e15bb 100644
--- a/minuitwrp/minui.h
+++ b/minuitwrp/minui.h
@@ -57,7 +57,7 @@
 
 int ev_init(void);
 void ev_exit(void);
-int ev_get(struct input_event *ev, unsigned dont_wait, int *screen_width, int *screen_height);
+int ev_get(struct input_event *ev, unsigned dont_wait);
 
 // Resources