drop NewViewManager function

Signed-off-by: Jakub Sokołowski <jakub@status.im>

main.go

@@ -38,8 +38,7 @@ func main() {
 		Current:     true,
 		SelFgColor:  gocui.ColorBlack,
 		SelBgColor:  gocui.ColorGreen,
-		// extra field for view state
-		State: peers,
+		State:       peers,
 		// corner positions
 		TopLeft: func(mx, my int) (int, int) {
 			return 0, 0
@@ -69,7 +68,7 @@ func main() {
 
 	views := []*ViewController{mainView, infoView}
 
-	vm := NewViewManager(g, views)
+	vm := ViewManager{g: g, views: views}
 
 	g.SetManagerFunc(vm.Layout)
 

view.go

@@ -18,8 +18,8 @@ type ViewController struct {
 	SelBgColor  gocui.Attribute
 	SelFgColor  gocui.Attribute
 	Keybindings []Binding
-	Manager     ViewManager
-	State       interface{}
+	// extra field for view state
+	State interface{}
 }
 
 type ViewManager struct {
@@ -27,18 +27,6 @@ type ViewManager struct {
 	views []*ViewController
 }
 
-func NewViewManager(g *gocui.Gui, views []*ViewController) *ViewManager {
-	vm := ViewManager{
-		g:     g,
-		views: views,
-	}
-	// Attach a ViewManager instance to Views
-	for _, v := range vm.views {
-		v.Manager = vm
-	}
-	return &vm
-}
-
 func (m *ViewManager) Layout(g *gocui.Gui) error {
 	mx, my := g.Size()