Revert "Add a nodejs testing function for apply_layout"

This reverts commit beb5d63d1b.

Oops, the more modern style *is* to use send_mouse_click.

api/sixtyfps-node/lib/index.ts

@@ -26,16 +26,6 @@ function load_native_lib() {
  */
 let native = !process.env.SIXTYFPS_NODE_NATIVE_LIB ? require('../native/index.node') : load_native_lib();
 
-/**
- * @hidden
- */
-interface Rect {
-    x: number,
-    y: number,
-    width: number,
-    height: number
-}
-
 /**
  * @hidden
  */
@@ -65,10 +55,6 @@ class Component {
     send_keyboard_string_sequence(s: String) {
         this.comp.send_keyboard_string_sequence(s)
     }
-
-    apply_layout(rect: Rect) {
-        this.comp.apply_layout(rect)
-    }
 }
 
 /**