Revert unique constraints

cor_custom/models/project.py

@@ -77,10 +77,6 @@ class Project(models.Model):
     tag_ids = fields.Many2many('custom.project.tags', string='Tags')
     is_check = fields.Boolean()
 
-    _sql_constraints = [
-        ('name_uniq', 'unique(name)', "Project name already exists !"),
-    ]
-
     @api.onchange('allowed_internal_user_ids')
     def onchange_add_allowed_internal_users(self):
         user_list = []