[Trunk] Extended view is removed from trunk but still some files group_extended is avaible

Some file Still have a group_extended and we should be remove it.

amp@amp-desktop:~/workspace/rdtools/addons/trunk$ grep -nr "group_extended" ./* --include=*.xml
./account/account_view.xml:2596: <button name="button_cancel" states="confirm,open" string="Cancel" type="object" groups="base.group_extended"/>
./crm_fundraising/crm_fundraising_view.xml:69: <button name="case_escalate" string="Escalate" states="open,draft,pending" type="object" groups="base.group_extended" />
./point_of_sale/point_of_sale_view.xml:1046: <group expand="0" string="Group By..." groups="base.group_extended">
./purchase/report/purchase_report_view.xml:92: <filter string="Warehouse" icon="terp-go-home" context="{'group_by':'warehouse_id'}" groups="base.group_extended"/>
amp@amp-desktop:~/workspace/rdtools/addons/trunk$

Thank you!