Remove string attribute from views

issue2350

view/category_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 Category">
+<form>
     <label name="name"/>
     <field name="name"/>
     <label name="parent"/>

view/category_list.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 Categories">
+<tree>
     <field name="rec_name"/>
     <field name="name" tree_invisible="1"/>
 </tree>

view/category_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 Categories" keyword_open="1">
+<tree keyword_open="1">
     <field name="name"/>
     <field name="parent" tree_invisible="1"/>
     <field name="childs" tree_invisible="1"/>

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="Party Configuration">
+<form>
     <label name="default_cost_price_method"/>
     <field name="default_cost_price_method"/>
 </form>

view/product_form_simple.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" col="6">
+<form col="6">
     <label name="template"/>
     <field name="template"/>
     <label name="code"/>

view/product_tree_simple.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="rec_name"/>
     <field name="active" tree_invisible="1"/>
 </tree>

view/template_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" col="6">
+<form col="6">
   <label name="name"/>
   <field name="name" xexpand="1"/>
   <label name="active"/>

view/template_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="Products">
+<tree>
     <field name="name"/>
     <field name="list_price"/>
     <field name="cost_price"/>

view/uom_category_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="Category of Unit of Measure" col="6">
+<form col="6">
     <label name="name"/>
     <field name="name"/>
 </form>

view/uom_category_tree.xml

@@ -1,6 +1,6 @@
 <?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="Categories of Unit of Measure">
+<tree>
     <field name="name"/>
 </tree>

view/uom_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="Unit of Measure" col="4">
+<form col="4">
     <label name="name"/>
     <field name="name"/>
     <label name="category"/>

view/uom_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="Units of Measure">
+<tree>
     <field name="name"/>
     <field name="symbol"/>
     <field name="category"/>