[FIX] im_livechat: do not rename module description

mail.channel module in mail module has the description "Discussion Channel"
(with a capital C) and was overriden in im_livechat to "Discussion channel"
(with a lowercase c).
Installing a module was renaming a field (which is never a good idea, especially
for translated fields)

closes odoo/odoo#32238

Signed-off-by: Martin Trigaux (mat) <mat@odoo.com>

addons/crm_livechat/i18n/crm_livechat.pot

@@ -29,6 +29,6 @@ msgstr ""
 
 #. module: crm_livechat
 #: model:ir.model,name:crm_livechat.model_mail_channel
-msgid "Discussion channel"
+msgid "Discussion Channel"
 msgstr ""
 

addons/hr/i18n/hr.pot

@@ -436,7 +436,7 @@ msgstr ""
 
 #. module: hr
 #: model:ir.model,name:hr.model_mail_channel
-msgid "Discussion channel"
+msgid "Discussion Channel"
 msgstr ""
 
 #. module: hr

addons/im_livechat/i18n/im_livechat.pot

@@ -295,7 +295,7 @@ msgstr ""
 
 #. module: im_livechat
 #: model:ir.model,name:im_livechat.model_mail_channel
-msgid "Discussion channel"
+msgid "Discussion Channel"
 msgstr ""
 
 #. module: im_livechat

addons/im_livechat/models/mail_channel.py

@@ -30,7 +30,6 @@ class MailChannel(models.Model):
 
     _name = 'mail.channel'
     _inherit = ['mail.channel', 'rating.mixin']
-    _description = 'Discussion channel'
 
     anonymous_name = fields.Char('Anonymous Name')
     channel_type = fields.Selection(selection_add=[('livechat', 'Livechat Conversation')])

addons/mail_bot/i18n/mail_bot.pot

@@ -33,7 +33,7 @@ msgstr ""
 
 #. module: mail_bot
 #: model:ir.model,name:mail_bot.model_mail_channel
-msgid "Discussion channel"
+msgid "Discussion Channel"
 msgstr ""
 
 #. module: mail_bot

addons/website_mail_channel/i18n/website_mail_channel.pot

@@ -319,7 +319,7 @@ msgstr ""
 
 #. module: website_mail_channel
 #: model:ir.model,name:website_mail_channel.model_mail_channel
-msgid "Discussion channel"
+msgid "Discussion Channel"
 msgstr ""
 
 #. module: website_mail_channel