Move LRU eviction to timeout.go

pkg/manager/operations.go

@@ -240,40 +240,6 @@ func (im *instanceManager) StopInstance(name string) (*instance.Process, error)
 	return instance, nil
 }
 
-// EvictLRUInstance finds and stops the least recently used running instance.
-func (im *instanceManager) EvictLRUInstance() error {
-	im.mu.RLock()
-	var lruInstance *instance.Process
-
-	for name, _ := range im.runningInstances {
-		inst := im.instances[name]
-		if inst == nil {
-			continue
-		}
-
-		if inst.GetOptions() != nil && inst.GetOptions().IdleTimeout != nil && *inst.GetOptions().IdleTimeout <= 0 {
-			continue // Skip instances without idle timeout
-		}
-
-		if lruInstance == nil {
-			lruInstance = inst
-		}
-
-		if inst.LastRequestTime() < lruInstance.LastRequestTime() {
-			lruInstance = inst
-		}
-	}
-	im.mu.RUnlock()
-
-	if lruInstance == nil {
-		return fmt.Errorf("failed to find lru instance")
-	}
-
-	// Evict Instance
-	_, err := im.StopInstance(lruInstance.Name)
-	return err
-}
-
 // RestartInstance stops and then starts an instance, returning the updated instance.
 func (im *instanceManager) RestartInstance(name string) (*instance.Process, error) {
 	instance, err := im.StopInstance(name)