[IMP] delete res.settings views in 18.0 pre-update to rebuild them latter

versions/18.0/pre_upgrade.sh

@@ -127,6 +127,8 @@ EOF
 # Execute SQL pre-migration commands
 PRE_MIGRATE_SQL=$(cat <<'EOF'
 UPDATE account_analytic_plan SET default_applicability=NULL WHERE default_applicability='optional';
+DELETE FROM ir_ui_view WHERE model = 'res.config.settings';
+
 EOF
 )
 echo "SQL command = $PRE_MIGRATE_SQL"