🔥(backend) remove code_editor field

code_editor field was removed from the backend.
This filed was used to store the code editor to
generate templates.

src/backend/core/models.py

@@ -327,12 +327,6 @@ class Template(BaseModel):
 
     title = models.CharField(_("title"), max_length=255)
     description = models.TextField(_("description"), blank=True)
-    code_editor = models.JSONField(
-        _("code editor"),
-        help_text=_("A JSON object with all the editor information"),
-        blank=True,
-        default=dict,
-    )
     code = models.TextField(_("code"), blank=True)
     css = models.TextField(_("css"), blank=True)
     is_public = models.BooleanField(