removed sandbox state that is not yet public

Author: sitole

packages/js-sdk/src/sandbox/sandboxApi.ts

@@ -88,11 +88,6 @@ export interface ListedSandbox {
    */
   clientId: string;
 
-  /**
-   * Sandbox state.
-   */
-  state: 'running' | 'paused';
-
   /**
    * Sandbox CPU count.
    */