Remove entity id from cast submenu

Because this is more a backend information than a frontend one.

src/card.ts

@@ -537,7 +537,7 @@ export class FrigateCard extends LitElement {
           entity: playerEntityID,
           state_color: false,
           title: title,
-          subtitle: title === playerEntityID ? undefined : playerEntityID,
+          subtitle: undefined,
           disabled: !state || state.state === 'unavailable',
           ...(playAction && { tap_action: playAction }),
           ...(stopAction && { hold_action: stopAction }),