move register from __init__ to tryton.cfg

__init__.py

@@ -1,17 +0,0 @@
-from trytond.pool import Pool
-from . import printer, shop
-
-__all__ = ['register']
-
-
-def register():
-    Pool.register(
-        printer.Device,
-        printer.Api,
-        printer.Printer,
-        shop.Shop,
-        module='sale_printer', type_='model')
-    Pool.register(
-        module='sale_printer', type_='wizard')
-    Pool.register(
-        module='sale_printer', type_='report')

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=7.6.0
+version=8.0.0
 depends:
     ir
     sale
@@ -7,3 +7,10 @@ depends:
 xml:
     printer.xml
     shop.xml
+
+[register]
+model:
+    printer.Device
+    printer.Api
+    printer.Printer
+    shop.Shop