Remove last trace of Daemon->Server dependency

This removes a shim `daemon.Server` interface which was used to start
separating Daemon from Server *gradually*, without getting cyclic
dependency errors.

Now that the last Daemon->Server dependency has been removed, we can
finally remove the shim. Yay!

Signed-off-by: Solomon Hykes <solomon@docker.com>

daemon/container.go

@@ -514,9 +514,7 @@ func (container *Container) monitor(callback execdriver.StartCallback) error {
 	if container.Config.OpenStdin {
 		container.stdin, container.stdinPipe = io.Pipe()
 	}
-	if container.daemon != nil && container.daemon.srv != nil {
-		container.LogEvent("die")
-	}
+	container.LogEvent("die")
 	// If the engine is shutting down, don't save the container state as stopped.
 	// This will cause it to be restarted when the engine is restarted.
 	if container.daemon != nil && container.daemon.eng != nil && !container.daemon.eng.IsShutdown() {

daemon/daemon.go

@@ -94,7 +94,6 @@ type Daemon struct {
 	idIndex        *truncindex.TruncIndex
 	sysInfo        *sysinfo.SysInfo
 	volumes        *graph.Graph
-	srv            Server
 	eng            *engine.Engine
 	config         *daemonconfig.Config
 	containerGraph *graphdb.Database
@@ -1032,10 +1031,6 @@ func (daemon *Daemon) ContainerGraph() *graphdb.Database {
 	return daemon.containerGraph
 }
 
-func (daemon *Daemon) SetServer(server Server) {
-	daemon.srv = server
-}
-
 func (daemon *Daemon) checkLocaldns() error {
 	resolvConf, err := resolvconf.Get()
 	if err != nil {

daemon/server.go

@@ -1,5 +0,0 @@
-package daemon
-
-// FIXME: this shim interface is no longer needed, it can be removed
-type Server interface {
-}

server/init.go

@@ -64,6 +64,5 @@ func NewServer(eng *engine.Engine, config *daemonconfig.Config) (*Server, error)
 		pullingPool: make(map[string]chan struct{}),
 		pushingPool: make(map[string]chan struct{}),
 	}
-	daemon.SetServer(srv)
 	return srv, nil
 }