[MOV] crm_iap_lead: move crm.iap.lead.industry into its own file

Preparation commit where we simply move the crm.iap.lead.industry model into
its own file.

As we are about to make some changes to the industry, we use that opportunity
to do a bit of cleaning.

Task-2471703

addons/crm_iap_lead/models/__init__.py

@@ -3,4 +3,5 @@
 from . import crm_lead
 from . import crm_iap_lead
 from . import crm_iap_lead_helpers
+from . import crm_iap_lead_industry
 from . import crm_iap_lead_mining_request

addons/crm_iap_lead/models/crm_iap_lead.py

@@ -1,20 +1,6 @@
 from odoo import api, fields, models
 
 
-class IndustryTag(models.Model):
-    """ Industry Tags of Acquisition Rules """
-    _name = 'crm.iap.lead.industry'
-    _description = 'Industry Tag'
-
-    name = fields.Char(string='Industry', required=True, translate=True)
-    reveal_id = fields.Char(required=True)
-    color = fields.Integer(string='Color Index')
-
-    _sql_constraints = [
-        ('name_uniq', 'unique (name)', 'Tag name already exists!'),
-    ]
-
-
 class PeopleRole(models.Model):
     """ CRM Reveal People Roles for People """
     _name = 'crm.iap.lead.role'

addons/crm_iap_lead/models/crm_iap_lead_industry.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import fields, models
+
+
+class CrmIapLeadIndustry(models.Model):
+    """ Industry Tags of Acquisition Rules """
+    _name = 'crm.iap.lead.industry'
+    _description = 'CRM IAP Lead Industry'
+
+    name = fields.Char(string='Industry', required=True, translate=True)
+    reveal_id = fields.Char(required=True)
+    color = fields.Integer(string='Color Index')
+
+    _sql_constraints = [
+        ('name_uniq', 'unique (name)', 'Industry name already exists!'),
+    ]