Prompting user to delete mci when all clusters are removed

[nikhiljindal]

Last PR for #58.

Updating remove-clusters command to require --force to remove the ingress from all existing clusters (as per discussion in #58 (comment)).
Also using --force to continue in case of errors.

cc @G-Harmon

---

This change is 

[G-Harmon]

---

Reviewed 2 of 2 files at r1.
Review status: all files reviewed at latest revision, all discussions resolved.

---

app/kubemci/pkg/gcp/loadbalancer/loadbalancersyncer_test.go, line 466 at r1 (raw file):

	}
	expectedClusters = []string{"cluster2"}
	expectedIGlinks = []string{igLink}

Can you make sure "make fmt"is clean? (I think the problem we have is that "make fmt" returns 0 even when there are things mis-formatted.)

---

Comments from Reviewable

[nikhiljindal]

Review status: 1 of 2 files reviewed at latest revision, 1 unresolved discussion.

---

app/kubemci/pkg/gcp/loadbalancer/loadbalancersyncer_test.go, line 466 at r1 (raw file):

Previously, G-Harmon wrote…

Can you make sure "make fmt"is clean? (I think the problem we have is that "make fmt" returns 0 even when there are things mis-formatted.)

Done.

---

Comments from Reviewable

[nikhiljindal]

Thanks for the quick review @G-Harmon
Updated as per comments.
Will merge once tests come back green