enhancement(5235): fixed imports in upgrade_test

Author: Kaan Yalti

internal/pkg/agent/application/upgrade/upgrade_test.go

@@ -28,7 +28,6 @@ import (
 
 	"github.com/elastic/elastic-agent-libs/transport/httpcommon"
 	"github.com/elastic/elastic-agent-libs/transport/tlscommon"
-	"github.com/elastic/elastic-agent/internal/pkg/agent/application/info"
 	"github.com/elastic/elastic-agent/internal/pkg/agent/application/paths"
 	"github.com/elastic/elastic-agent/internal/pkg/agent/application/upgrade/artifact"
 	upgradeErrors "github.com/elastic/elastic-agent/internal/pkg/agent/application/upgrade/artifact/download/errors"