move register from __init__ to tryton.cfg

__init__.py

@@ -1,18 +0,0 @@
-# This file is part of Tryton.  The COPYRIGHT file at the top level of
-# this repository contains the full copyright notices and license terms.
-
-from trytond.pool import Pool
-from . import sale
-__all__ = ['register']
-
-
-def register():
-    Pool.register(
-        sale.Sale,
-        sale.SaleLine,
-        sale.SaleLineDeleted,
-        module='sale_line_delete_log', type_='model')
-    Pool.register(
-        module='sale_line_delete_log', type_='wizard')
-    Pool.register(
-        module='sale_line_delete_log', type_='report')

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=7.6.0
+version=8.0.0
 depends:
     ir
     account
@@ -7,3 +7,9 @@ depends:
     sale
 xml:
   sale.xml
+
+[register]
+model:
+    sale.Sale
+    sale.SaleLine
+    sale.SaleLineDeleted