remove obsolete file

game/Point.js

@@ -1,22 +0,0 @@
-export default class Point {
-    constructor(x,y) {
-        this.x = x
-        this.y = y
-    }
-    move(x, y) {
-        this.x += x
-        this.y += y
-    }
-    add(other) {
-        return new Point(
-            this.x + other.x,
-            this.y + other.y
-        )
-    }
-    sub(other) {
-        return new Point(
-            this.x - other.x,
-            this.y - other.y
-        )
-    }
-}