[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* Remmove outdated server tests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/public/model/hosted_customer.go

@@ -3,71 +3,8 @@
 
 package model
 
-type BootstrapSelfHostedSignupRequest struct {
-	Email string `json:"email"`
-	Reset bool   `json:"reset"`
-}
-
 type SubscribeNewsletterRequest struct {
 	Email             string `json:"email"`
 	ServerID          string `json:"server_id"`
 	SubscribedContent string `json:"subscribed_content"`
 }
-
-type BootstrapSelfHostedSignupResponse struct {
-	Progress string `json:"progress"`
-	// email listed on the JWT claim
-	Email string `json:"email"`
-}
-
-type BootstrapSelfHostedSignupResponseInternal struct {
-	Progress string `json:"progress"`
-	License  string `json:"license"`
-}
-
-// email contained in token, so not in the request body.
-type SelfHostedCustomerForm struct {
-	FirstName       string   `json:"first_name"`
-	LastName        string   `json:"last_name"`
-	BillingAddress  *Address `json:"billing_address"`
-	ShippingAddress *Address `json:"shipping_address"`
-	Organization    string   `json:"organization"`
-}
-
-type SelfHostedConfirmPaymentMethodRequest struct {
-	StripeSetupIntentID string                      `json:"stripe_setup_intent_id"`
-	Subscription        *CreateSubscriptionRequest  `json:"subscription"`
-	ExpandRequest       *SelfHostedExpansionRequest `json:"expand_request"`
-}
-
-// SelfHostedSignupPaymentResponse contains feels needed for self hosted signup to confirm payment and receive license.
-type SelfHostedSignupCustomerResponse struct {
-	CustomerId        string `json:"customer_id"`
-	SetupIntentId     string `json:"setup_intent_id"`
-	SetupIntentSecret string `json:"setup_intent_secret"`
-	Progress          string `json:"progress"`
-}
-
-// SelfHostedSignupConfirmResponse contains data received on successful self hosted signup
-type SelfHostedSignupConfirmResponse struct {
-	License  string `json:"license"`
-	Progress string `json:"progress"`
-}
-
-type SelfHostedSignupConfirmClientResponse struct {
-	License  map[string]string `json:"license"`
-	Progress string            `json:"progress"`
-}
-
-type SelfHostedBillingAccessRequest struct {
-	LicenseId string `json:"license_id"`
-}
-
-type SelfHostedBillingAccessResponse struct {
-	Token string `json:"token"`
-}
-
-type SelfHostedExpansionRequest struct {
-	Seats     int    `json:"seats"`
-	LicenseId string `json:"license_id"`
-}