refactor: remove unnecessary update_noop.go

update.go

@@ -1,5 +1,3 @@
-// +build release
-
 package main
 
 import (

update_noop.go

@@ -1,22 +0,0 @@
-// +build !release
-
-package main
-
-type updateui struct {
-	serverVersion string
-	available     bool
-	triggered     bool
-	updatingText  string
-}
-
-func updateable() bool {
-	return false
-}
-
-func updateCheck(ctx *ntcontext) {
-	// noop for non-release versions
-}
-
-func update(ctx *ntcontext) {
-	// noop for non-release versions
-}