[REM] hr_recruitment: new applicant message

Currently each new applicant creates a message on the job. This creates
a lot of noise. The 'New application from ..' messages is therefore
removed. The related subtype is also removed because not used
anymore.

addons/hr_recruitment/data/hr_recruitment_data.xml

@@ -125,13 +125,6 @@
         <field name="default" eval="False"/>
         <field name="hidden" eval="True"/>
     </record>
-    <record id="mt_job_applicant_new" model="mail.message.subtype">
-        <field name="name">Applicant Created</field>
-        <field name="res_model">hr.job</field>
-        <field name="default" eval="True"/>
-        <field name="parent_id" eval="ref('mt_applicant_new')"/>
-        <field name="relation_field">job_id</field>
-    </record>
     <record id="mt_job_applicant_stage_changed" model="mail.message.subtype">
         <field name="name">Applicant Stage Changed</field>
         <field name="res_model">hr.job</field>

addons/hr_recruitment/models/hr_recruitment.py

@@ -270,13 +270,7 @@ class Applicant(models.Model):
             vals['date_open'] = fields.Datetime.now()
         if 'stage_id' in vals:
             vals.update(self._onchange_stage_id_internal(vals.get('stage_id'))['value'])
-        applicant = super(Applicant, self.with_context(mail_create_nolog=True)).create(vals)
-        if applicant.job_id:
-            name = applicant.partner_name if applicant.partner_name else applicant.name
-            applicant.job_id.message_post(
-                body=_('New application from %s') % name,
-                subtype="hr_recruitment.mt_job_applicant_new")
-        return applicant
+        return super(Applicant, self.with_context(mail_create_nolog=True)).create(vals)
 
     @api.multi
     def write(self, vals):
@@ -293,14 +287,6 @@ class Applicant(models.Model):
         else:
             res = super(Applicant, self).write(vals)
 
-        # post processing: if job changed, post a message on the job
-        if vals.get('job_id'):
-            for applicant in self:
-                name = applicant.partner_name if applicant.partner_name else applicant.name
-                self.env['hr.job'].browse([vals['job_id']]).message_post(
-                    body=_('New application from %s') % name,
-                    subtype="hr_recruitment.mt_job_applicant_new")
-
         # post processing: if stage changed, post a message in the chatter
         if vals.get('stage_id'):
             if self.stage_id.template_id: