code: func (pdev podDevices) removeContainerAllocatedResources(podUID, contName string, allocatedResources map[string]sets.String) {
  	containers, exists := pdev[podUID]
  	if !exists {
  		return
  	}
  	resources, exists := containers[contName]
  	if !exists {
  		return
  	}
  	for resource, devices := range resources {
  		allocatedResources[resource] = allocatedResources[resource].Difference(devices.deviceIds)
  	}
  }
docs: // Removes the device resources allocated to the specified <podUID, contName> from allocatedResources.