[CLD-7567] Deprecate Self Serve: Second Pass (#26853)

* Deprecate Self Serve: First Pass

* Fix ci

* Fix more ci

* Remmove outdated server tests

* Fix a missed spot opening purchase modal in Self Hosted

* Fix i18n

* Clean up some more server code, fix webapp test

* Fix alignment of button

* Fix linter

* Fix i18n server side

* Deprecate in product true up

* Add back translation

* Remove client functions

* Put back client functions

* webapp deprecation

* Deprecate Self Serve: Second Pass

* Fix various pipeline issues

* Fix linter

* Fix pipelines

* Fix handlers_test.go

* Fix console.error around hostedCustomer in reducer

* PICKY LINTER PLEASE

* Fix webapp tests, various other fixes for the CI pipelines

* Fix i18n

* Updates to accomadate enterprise code removal

* Fix mocks

* More removal

* Fix

* Adjustments from PR

* Fixes for QA Feedback

* Update

* Add migrations to remove true up review history

* Fix migrations check

---------

Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: maria.nunez <maria.nunez@mattermost.com>

server/channels/store/store.go

@@ -89,7 +89,6 @@ type Store interface {
 	PostPriority() PostPriorityStore
 	PostAcknowledgement() PostAcknowledgementStore
 	PostPersistentNotification() PostPersistentNotificationStore
-	TrueUpReview() TrueUpReviewStore
 	DesktopTokens() DesktopTokensStore
 	ChannelBookmark() ChannelBookmarkStore
 }
@@ -1028,13 +1027,6 @@ type PostPersistentNotificationStore interface {
 	DeleteByChannel(channelIds []string) error
 	DeleteByTeam(teamIds []string) error
 }
-
-type TrueUpReviewStore interface {
-	GetTrueUpReviewStatus(dueDate int64) (*model.TrueUpReviewStatus, error)
-	CreateTrueUpReviewStatusRecord(reviewStatus *model.TrueUpReviewStatus) (*model.TrueUpReviewStatus, error)
-	Update(reviewStatus *model.TrueUpReviewStatus) (*model.TrueUpReviewStatus, error)
-}
-
 type ChannelBookmarkStore interface {
 	ErrorIfBookmarkFileInfoAlreadyAttached(fileId string) error
 	Get(Id string, includeDeleted bool) (b *model.ChannelBookmarkWithFileInfo, err error)