Removed svelte parallax

src/routes/zhen/Utils/Vector2.ts

@@ -1,21 +0,0 @@
-export class Vector2 {
-    x: number;
-    y: number;
-
-    constructor(x: number, y: number) {
-        this.x = x;
-        this.y = y;
-    }
-
-    Add(vec2: Vector2){
-        return new Vector2(this.x + vec2.x, this.y + vec2.y);
-    }
-
-    Sub(vec2: Vector2){
-        return new Vector2(this.x - vec2.x, this.y - vec2.y);
-    }
-
-    Scale(mult: number){
-        return new Vector2(this.x * mult, this.y * mult);;
-    }
-}