Add silent option to uninstall

.github/workflows/e2e.yaml

@@ -41,7 +41,7 @@ jobs:
         run: |
           ./bin/tk check
           ./bin/tk install --version=master --namespace=test --verbose
-          ./bin/tk uninstall --namespace=test --crds
+          ./bin/tk uninstall --namespace=test --crds --silent
           ./bin/tk install --manifests ./manifests/install/
           ./bin/tk create source podinfo --git-url https://github.com/stefanprodan/podinfo-deploy  --git-semver=">=0.0.1-rc.1 <0.1.0"
       - name: Debug failure