Remove unused variables

Signed-off-by: ArthurSens <arthursens2005@gmail.com>

Author: ArthurSens

.werft/observability/monitoring-satellite.ts

@@ -1,5 +1,5 @@
 import { exec } from "../util/shell";
-import { getGlobalWerftInstance, Werft } from "../util/werft";
+import { Werft } from "../util/werft";
 import * as fs from "fs";
 
 type MonitoringSatelliteInstallerOptions = {
@@ -26,11 +26,7 @@ export class MonitoringSatelliteInstaller {
  const {
  werft,
  branch,
- satelliteNamespace,
- stackdriverServiceAccount,
- previewDomain,
  previewName,
- nodeExporterPort,
  } = this.options;
 
  werft.log(