Update line_connection.ts

BACKEND/app/services/line_connection.ts

@@ -1855,15 +1855,4 @@ ${log}
       this.sendReportSummary(snapshot)
     }, timeout)
   }
-
-  /**
-   * Send is ready
-   */
-  sendIsReady = async () => {
-    this.socketIO.emit('line_is_ready', {
-      stationId: this.config.stationId,
-      lineId: this.config.id,
-      isReady: this.isReady,
-    })
-  }
 }