fix: linked-doc and figma scale issue (#12493)

Fixes [BS-2993](https://linear.app/affine-design/issue/BS-2993/)

blocksuite/affine/blocks/embed/src/common/embed-block-element.ts

@@ -50,12 +50,6 @@ export class EmbedBlockComponent<
 
   _cardStyle: EmbedCardStyle = 'horizontal';
 
-  /**
-   * The actual rendered scale of the embed card.
-   * By default, it is set to 1.
-   */
-  protected _scale = 1;
-
   blockDraggable = true;
 
   /**

blocksuite/affine/blocks/embed/src/common/to-edgeless-embed-block.ts

@@ -68,7 +68,6 @@ export function toEdgelessEmbedBlock<
       this.blockContainerStyles = {
         width: `${bound.w}px`,
       };
-      this._scale = bound.w / this._cardWidth;
 
       return this.renderPageContent();
     }