Fix duplicated rate limit in scheduler

Remove BindingRateLimiterSaturation metrics

Update generated doc

plugin/pkg/scheduler/scheduler.go

@@ -76,10 +76,6 @@ type Config struct {
 	Algorithm  algorithm.ScheduleAlgorithm
 	Binder     Binder
 
-	// Rate at which we can create pods
-	// If this field is nil, we don't have any rate limit.
-	BindPodsRateLimiter util.RateLimiter
-
 	// NextPod should be a function that blocks until the next pod
 	// is available. We don't use a channel for this, because scheduling
 	// a pod may take some amount of time and we don't want pods to get
@@ -108,20 +104,11 @@ func New(c *Config) *Scheduler {
 
 // Run begins watching and scheduling. It starts a goroutine and returns immediately.
 func (s *Scheduler) Run() {
-	if s.config.BindPodsRateLimiter != nil {
-		go util.Forever(func() {
-			sat := s.config.BindPodsRateLimiter.Saturation()
-			metrics.BindingRateLimiterSaturation.Set(sat)
-		}, metrics.BindingSaturationReportInterval)
-	}
 	go util.Until(s.scheduleOne, 0, s.config.StopEverything)
 }
 
 func (s *Scheduler) scheduleOne() {
 	pod := s.config.NextPod()
-	if s.config.BindPodsRateLimiter != nil {
-		s.config.BindPodsRateLimiter.Accept()
-	}
 
 	glog.V(3).Infof("Attempting to schedule: %+v", pod)
 	start := time.Now()