Remove unused income code

account.py

@@ -23,7 +23,6 @@ class Type(OSV):
         ('revenue', 'Revenue'),
         ('receivable', 'Receivable'),
         ('expense', 'Expense'),
-        ('income', 'Income'),
         ('view', 'View'),
         ], 'Code')
     parent = fields.Many2One('account.account.type', 'Parent')

account.xml

@@ -181,7 +181,7 @@
         </record>
         <record model="account.account.type" id="account_type_income">
             <field name="name">Income</field>
-            <field name="code">income</field>
+            <field name="code">view</field>
             <field name="sequence" eval="40"/>
             <field name="income_statement" eval="True"/>
             <field name="display_balance">credit-debit</field>