[FIX] google_calendar: correct xml declaration

Oversight of previous forward-port

addons/google_calendar/views/res_config_settings_views.xml

@@ -19,7 +19,6 @@
             </field>
         </record>
 
-            <field name="context">{'module' : 'general_settings'}</field>
         <menuitem id="menu_calendar_google_tech_config"
             name="API Credentials"
             parent="calendar.menu_calendar_configuration"