Remove only the attrs attribute instead of redefining the whole field

mail_environment/mail_view.xml

@@ -6,17 +6,17 @@
       <field name="model">fetchmail.server</field>
       <field name="inherit_id" ref="fetchmail.view_email_server_form"/>
       <field name="arch" type="xml">
-        <field name="server"  attrs="{'required' : [('type', '!=', 'local')]}" position="replace">
-          <field name="server" />
+        <field name="server" position="attributes">
+          <attribute name="attrs" eval="False"/>
         </field>
-        <field name="port"  attrs="{'required' : [('type', '!=', 'local')]}" position="replace">
-          <field name="port" />
+        <field name="port" position="attributes">
+          <attribute name="attrs" eval="False"/>
         </field>
-        <field name="user"  attrs="{'required' : [('type', '!=', 'local')]}" position="replace">
-          <field name="user" />
+        <field name="user" position="attributes">
+          <attribute name="attrs" eval="False"/>
         </field>
-        <field name="password"  attrs="{'required' : [('type', '!=', 'local')]}" position="replace">
-          <field name="password" />
+        <field name="password" position="attributes">
+          <attribute name="attrs" eval="False"/>
         </field>
       </field>
     </record>