check: move from container

This package is not container specific, and widely used across the project.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/wayland/conn.go

@@ -5,7 +5,7 @@ import (
 	"os"
 	"syscall"
 
-	"hakurei.app/container/check"
+	"hakurei.app/check"
 )
 
 // SecurityContext holds resources associated with a Wayland security_context.

internal/wayland/conn_test.go

@@ -8,7 +8,7 @@ import (
 	"syscall"
 	"testing"
 
-	"hakurei.app/container/check"
+	"hakurei.app/check"
 )
 
 func TestSecurityContextClose(t *testing.T) {