refactor(editor): remove legacy block service spec slots (#11013)

blocksuite/framework/block-std/src/view/element/block-component.ts

@@ -229,20 +229,6 @@ export class BlockComponent<
         this.requestUpdate();
       })
     );
-
-    this.service?.specSlots.viewConnected.next({
-      service: this.service,
-      component: this,
-    });
-  }
-
-  override disconnectedCallback() {
-    super.disconnectedCallback();
-
-    this.service?.specSlots.viewDisconnected.next({
-      service: this.service,
-      component: this,
-    });
   }
 
   protected override async getUpdateComplete(): Promise<boolean> {

blocksuite/framework/block-std/src/view/element/widget-component.ts

@@ -73,20 +73,11 @@ export class WidgetComponent<
   override connectedCallback() {
     super.connectedCallback();
     this.std.view.setWidget(this);
-
-    this.service?.specSlots.widgetConnected.next({
-      service: this.service,
-      component: this,
-    });
   }
 
   override disconnectedCallback() {
     super.disconnectedCallback();
     this.std?.view.deleteWidget(this);
-    this.service?.specSlots.widgetDisconnected.next({
-      service: this.service,
-      component: this,
-    });
   }
 
   override render(): unknown {