message: Rollback bulk-delete of table columns
  Fix likely required upstream in FAB before we can properly enable this.
diff: @@ -17,7 +17,7 @@ from superset.views.base import (
  from . import models
  -class TableColumnInlineView(CompactCRUDMixin, SupersetModelView, DeleteMixin): # noqa
  +class TableColumnInlineView(CompactCRUDMixin, SupersetModelView): # noqa
  datamodel = SQLAInterface(models.TableColumn)
  list_title = _('List Columns')
  @@ -94,7 +94,7 @@ class TableColumnInlineView(CompactCRUDMixin, SupersetModelView, DeleteMixin):
  appbuilder.add_view_no_menu(TableColumnInlineView)
  -class SqlMetricInlineView(CompactCRUDMixin, SupersetModelView, DeleteMixin): # noqa
  +class SqlMetricInlineView(CompactCRUDMixin, SupersetModelView): # noqa
  datamodel = SQLAInterface(models.SqlMetric)
  list_title = _('List Metrics')
  