Move user related model into models/user (#17781)

* Move user related model into models/user

* Fix lint for windows

* Fix windows lint

* Fix windows lint

* Move some tests in models

* Merge

integrations/api_repo_git_ref_test.go

@@ -8,13 +8,13 @@ import (
 	"net/http"
 	"testing"
 
-	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
 )
 
 func TestAPIReposGitRefs(t *testing.T) {
 	defer prepareTestEnv(t)()
-	user := unittest.AssertExistsAndLoadBean(t, &models.User{ID: 2}).(*models.User)
+	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2}).(*user_model.User)
 	// Login as User2.
 	session := loginUser(t, user.Name)
 	token := getTokenForLoggedInUser(t, session)