PLT-4165 removing team name reserved words (#4289)

model/team.go

@@ -100,7 +100,7 @@ func (o *Team) Etag() string {
 	return Etag(o.Id, o.UpdateAt)
 }
 
-func (o *Team) IsValid(restrictTeamNames bool) *AppError {
+func (o *Team) IsValid() *AppError {
 
 	if len(o.Id) != 26 {
 		return NewLocAppError("Team.IsValid", "model.team.is_valid.id.app_error", nil, "")
@@ -130,7 +130,7 @@ func (o *Team) IsValid(restrictTeamNames bool) *AppError {
 		return NewLocAppError("Team.IsValid", "model.team.is_valid.url.app_error", nil, "id="+o.Id)
 	}
 
-	if restrictTeamNames && IsReservedTeamName(o.Name) {
+	if IsReservedTeamName(o.Name) {
 		return NewLocAppError("Team.IsValid", "model.team.is_valid.reserved.app_error", nil, "id="+o.Id)
 	}