Remove string attribute from views

issue2350

view/account_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="Analytic Account" col="6">
+<form col="6">
     <label name="name"/>
     <field name="name"/>
     <label name="code"/>

view/account_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="Analytic Accounts">
+<tree>
     <field name="rec_name"/>
     <field name="company"/>
     <field name="type"/>

view/account_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="Analytic Accounts">
+<tree>
     <field name="rec_name"/>
     <field name="company"/>
     <field name="type"/>

view/account_tree2.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="Analytic Accounts" keyword_open="1">
+<tree keyword_open="1">
     <field name="name"/>
     <field name="code"/>
     <field name="debit"/>

view/analytic_account_entry_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="Analytic Entry">
+<form>
     <label name="root"/>
     <field name="root"/>
     <label name="account"/>

view/analytic_account_entry_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="Analytic Entry" editable="bottom">
+<tree editable="bottom">
     <field name="root"/>
     <field name="account"/>
     <field name="origin"/>

view/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="Analytic Line">
+<form>
     <label name="name"/>
     <field name="name"/>
     <label name="active"/>

view/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="Analytic Lines" editable="top">
+<tree editable="top">
     <field name="move_line"/>
     <field name="journal"/>
     <field name="name"/>

view/open_chart_start_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="Open Chart of Analytic Accounts">
+<form>
     <label name="start_date"/>
     <field name="start_date"/>
     <label name="end_date"/>