Revert "Wake up rcs when pods get DeletionFinalStateUnknown tombstones"

pkg/cloudprovider/servicecontroller/servicecontroller.go

@@ -366,16 +366,6 @@ func (s *serviceCache) ListKeys() []string {
 	return keys
 }
 
-// GetByKey returns the value stored in the serviceMap under the given key
-func (s *serviceCache) GetByKey(key string) (interface{}, bool, error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-	if v, ok := s.serviceMap[key]; ok {
-		return v, true, nil
-	}
-	return nil, false, nil
-}
-
 // ListKeys implements the interface required by DeltaFIFO to list the keys we
 // already know about.
 func (s *serviceCache) allServices() []*cachedService {