Remove string attribute from views

issue2350

view/configuration_form.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form string="Purchase Configuration">
+<form>
     <label name="purchase_sequence"/>
     <field name="purchase_sequence"/>
     <label name="purchase_invoice_method" />

view/handle_invoice_exception_ask_form.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form string="Handle Invoice Exception" col="2">
+<form col="2">
     <image name="tryton-dialog-information" xexpand="0" xfill="0"/>
     <label string="Choose invoices to recreate" id="choose"
         yalign="0.0" xalign="0.0" xexpand="1"/>

view/handle_shipment_exception_ask_form.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form string="Handle shipment Exception" col="2">
+<form col="2">
     <image name="tryton-dialog-information" xexpand="0" xfill="0"/>
     <label string="Choose move to recreate" id="choose"
         yalign="0.0" xalign="0.0" xexpand="1"/>

view/move_list_shipment.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Moves">
+<tree>
     <field name="product"/>
     <field name="from_location"/>
     <field name="to_location"/>

view/product_list_purchase_line.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Products">
+<tree>
     <field name="code"/>
     <field name="name"/>
     <field name="list_price_uom"/>

view/product_supplier_form.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form string="Product Supplier">
+<form>
     <label name="product"/>
     <field name="product" colspan="3"/>
     <label name="party"/>

view/product_supplier_price_form.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form string="Product Supplier Price">
+<form>
     <label name="product_supplier"/>
     <field name="product_supplier" colspan="3"/>
     <label name="sequence"/>

view/product_supplier_price_list_sequence.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Product Supplier Prices" sequence="sequence">
+<tree sequence="sequence">
     <field name="product_supplier"/>
     <field name="quantity"/>
     <field name="unit_price" expand="1"/>

view/product_supplier_price_tree.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Product Supplier Prices">
+<tree>
     <field name="product_supplier"/>
     <field name="quantity"/>
     <field name="unit_price"/>

view/product_supplier_tree.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Product Suppliers">
+<tree>
     <field name="product"/>
     <field name="party"/>
     <field name="name"/>

view/product_supplier_tree_sequence.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Product Suppliers" sequence="sequence">
+<tree sequence="sequence">
     <field name="party"/>
     <field name="name"/>
     <field name="code"/>

view/purchase_form.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form string="Purchase" col="6">
+<form col="6">
     <label name="party"/>
     <field name="party"/>
     <label name="invoice_address"/>

view/purchase_line_form.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form string="Purchase Line" cursor="product">
+<form cursor="product">
     <label name="purchase"/>
     <field name="purchase" colspan="3"/>
     <label name="type"/>

view/purchase_line_tree.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Purchase Lines">
+<tree>
     <field name="purchase"/>
     <field name="type"/>
     <field name="product"/>

view/purchase_line_tree_sequence.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Lines" sequence="sequence">
+<tree sequence="sequence">
     <field name="purchase"/>
     <field name="type"/>
     <field name="product"/>

view/purchase_tree.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Purchases">
+<tree>
     <field name="number"/>
     <field name="reference"/>
     <field name="purchase_date"/>