sales_team.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
<data>

<record id="crm_team_view_form" model="ir.ui.view">
    <field name="model">crm.team</field>
    <field name="inherit_id" ref="sales_team.crm_team_view_form"/>
    <field name="arch" type="xml">
        <field name="company_id" position="after">
            <field name="company_ids" widget="many2many_tags"/>
        </field>
        <field name="company_id" position="attributes">
            <attribute name="invisible">1</attribute>
        </field>
    </field>
</record>

</data>
</openerp>