Added rate limiting to pod deletion

Fixes #6228

pkg/util/throttle.go

@@ -51,6 +51,12 @@ func NewTokenBucketRateLimiter(qps float32, burst int) RateLimiter {
 	return rate
 }
 
+type fakeRateLimiter struct{}
+
+func NewFakeRateLimiter() RateLimiter {
+	return &fakeRateLimiter{}
+}
+
 func newTokenBucketRateLimiterFromTicker(ticker <-chan time.Time, burst int) *tickRateLimiter {
 	if burst < 1 {
 		panic("burst must be a positive integer")
@@ -109,3 +115,11 @@ func (t *tickRateLimiter) increment() {
 	default:
 	}
 }
+
+func (t *fakeRateLimiter) CanAccept() bool {
+	return true
+}
+
+func (t *fakeRateLimiter) Stop() {}
+
+func (t *fakeRateLimiter) Accept() {}