Remove occupancy grid -- map maker can handle it

ts/grid.ts

@@ -5,8 +5,6 @@ export class Grid {
   #prnt: HTMLElement;
   #tileset: string;
   #layers: Map<string, Layer> = new Map<string, Layer>();
-  #size_x: number;
-  #size_y: number;
 
   constructor(prnt: HTMLElement) {
     this.#prnt = prnt;
@@ -14,20 +12,13 @@ export class Grid {
   }
 
   set_size(x: number, y: number) {
-    this.#size_x = x;
-    this.#size_y = y;
-
-    // TODO: Notify layers if shrink
-
     this.#prnt.style.gridTemplateColumns = `repeat(${x}, 1fr)`;
     this.#prnt.style.gridTemplateRows = `repeat(${y}, 1fr)`;
-
-    // TODO: Notify layers if expand
   }
 
   set_tileset(set: string) {
     this.#tileset = set;
-    this.#prnt.style.backgroundImage = this.get_url('land');
+    this.#prnt.style.backgroundImage = `url("images/${this.#tileset}/land.svg")`;
 
     // TODO: Notify layers
   }
@@ -37,7 +28,7 @@ export class Grid {
 
     for (const name of newNames) {
       if (!this.#layers.has(name)) {
-        const layer = new Layer(this.#size_x, this.#size_y);
+        const layer = new Layer();
         layer.set_tileset(this.#tileset);
         this.#layers.set(name, layer);
       }
@@ -58,19 +49,12 @@ export class Grid {
     }
   }
 
-  add_tile(layer: string, tile: Tile, x: number, y: number): boolean {
-    const elem = this.#layers.get(layer)?.add_tile(tile, x, y);
-    if (!elem) {
-      return false;
-    }
+  add_tile(layer: string, tile: Tile, x: number, y: number) {
+    const elem = this.#layers.get(layer)!.add_tile(tile);
     // Grids are 1-indexed
     elem.style.gridColumnStart = `${x + 1}`;
     elem.style.gridRowStart = `${y + 1}`;
     this.#prnt.appendChild(elem);
     return true;
   }
-
-  private get_url(tile: string) {
-    return `url("images/${this.#tileset}/${tile}.svg")`;
-  }
 }