[fix] remove some useless changes after review

bzr revid: rlo@openerp.com-20120330132304-6kyfsir5efcp9kig

addons/account/res_currency.py

@@ -25,11 +25,6 @@ from osv import osv
 class res_currency_account(osv.osv):
     _inherit = "res.currency"
 
-    def get_conversion_rate(self, cr, uid, from_currency, to_currency, context=None):
-        if context is None:
-            context = {}
-        return self._get_conversion_rate(cr, uid, from_currency, to_currency, context=context)
-
     def _get_conversion_rate(self, cr, uid, from_currency, to_currency, context=None):
         if context is None:
             context = {}

addons/point_of_sale/__openerp__.py

@@ -40,7 +40,7 @@ Main features :
     """,
     'author': 'OpenERP SA',
     'images': ['images/cash_registers.jpeg', 'images/pos_analysis.jpeg','images/register_analysis.jpeg','images/sale_order_pos.jpeg','images/product_pos.jpeg'],
-    'depends': ['sale','account'],
+    'depends': ['sale'],
     'init_xml': [],
 
     'update_xml': [