[MIG] contract: Migration to 12.0

contract/migrations/11.0.2.0.0/pre-migration.py

@@ -1,18 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2015-2017 Tecnativa - Pedro M. Baeza
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-
-
-def migrate(cr, version):
-    """Rename column for specific price for keeping backwards compatibility."""
-    if not version:
-        return
-    cr.execute("""SELECT column_name
-        FROM information_schema.columns
-        WHERE table_name='account_analytic_invoice_line' AND
-        column_name='price_unit'""")
-    if cr.fetchone():
-        cr.execute(
-            "ALTER TABLE account_analytic_invoice_line "
-            "RENAME price_unit TO specific_price"
-        )