chore: Remove UsersInTeamsCount

- Introduced in 9681c83734 and removed in
bac4b78e09.

.deadcode-out

@@ -45,7 +45,6 @@ code.gitea.io/gitea/models/organization
 	GetTeamNamesByID
 	UpdateTeamUnits
 	SearchMembersOptions.ToConds
-	UsersInTeamsCount
 
 code.gitea.io/gitea/models/perm/access
 	GetRepoWriters

models/organization/team_test.go

@@ -188,20 +188,6 @@ func TestHasTeamRepo(t *testing.T) {
 	test(2, 5, false)
 }
 
-func TestUsersInTeamsCount(t *testing.T) {
-	require.NoError(t, unittest.PrepareTestDatabase())
-
-	test := func(teamIDs, userIDs []int64, expected int64) {
-		count, err := organization.UsersInTeamsCount(db.DefaultContext, teamIDs, userIDs)
-		require.NoError(t, err)
-		assert.Equal(t, expected, count)
-	}
-
-	test([]int64{2}, []int64{1, 2, 3, 4}, 1)          // only userid 2
-	test([]int64{1, 2, 3, 4, 5}, []int64{2, 5}, 2)    // userid 2,4
-	test([]int64{1, 2, 3, 4, 5}, []int64{2, 3, 5}, 3) // userid 2,4,5
-}
-
 func TestInconsistentOwnerTeam(t *testing.T) {
 	defer unittest.OverrideFixtures(
 		unittest.FixturesOptions{

models/organization/team_user.go

@@ -76,14 +76,3 @@ func GetTeamMembers(ctx context.Context, opts *SearchMembersOptions) ([]*user_mo
 func IsUserInTeams(ctx context.Context, userID int64, teamIDs []int64) (bool, error) {
 	return db.GetEngine(ctx).Where("uid=?", userID).In("team_id", teamIDs).Exist(new(TeamUser))
 }
-
-// UsersInTeamsCount counts the number of users which are in userIDs and teamIDs
-func UsersInTeamsCount(ctx context.Context, userIDs, teamIDs []int64) (int64, error) {
-	var ids []int64
-	if err := db.GetEngine(ctx).In("uid", userIDs).In("team_id", teamIDs).
-		Table("team_user").
-		Cols("uid").GroupBy("uid").Find(&ids); err != nil {
-		return 0, err
-	}
-	return int64(len(ids)), nil
-}