[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* Remmove outdated server tests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/einterfaces/cloud.go

@@ -5,7 +5,6 @@ package einterfaces
 
 import (
 	"github.com/mattermost/mattermost/server/public/model"
-	"github.com/mattermost/mattermost/server/public/shared/request"
 )
 
 type CloudInterface interface {
@@ -14,11 +13,7 @@ type CloudInterface interface {
 	GetSelfHostedProducts(userID string) ([]*model.Product, error)
 	GetCloudLimits(userID string) (*model.ProductLimits, error)
 
-	CreateCustomerPayment(userID string) (*model.StripeSetupIntent, error)
-	ConfirmCustomerPayment(userID string, confirmRequest *model.ConfirmPaymentMethodRequest) error
-
 	GetCloudCustomer(userID string) (*model.CloudCustomer, error)
-	GetLicenseSelfServeStatus(userID string, token string) (*model.SubscriptionLicenseSelfServeStatusResponse, error)
 	UpdateCloudCustomer(userID string, customerInfo *model.CloudCustomerInfo) (*model.CloudCustomer, error)
 	UpdateCloudCustomerAddress(userID string, address *model.Address) (*model.CloudCustomer, error)
 
@@ -28,32 +23,17 @@ type CloudInterface interface {
 
 	ChangeSubscription(userID, subscriptionID string, subscriptionChange *model.SubscriptionChange) (*model.Subscription, error)
 
-	RequestCloudTrial(userID, subscriptionID, newValidBusinessEmail string) (*model.Subscription, error)
 	ValidateBusinessEmail(userID, email string) error
 
 	InvalidateCaches() error
 
-	// hosted customer methods
-	SelfHostedSignupAvailable() error
-	BootstrapSelfHostedSignup(req model.BootstrapSelfHostedSignupRequest) (*model.BootstrapSelfHostedSignupResponse, error)
-	CreateCustomerSelfHostedSignup(req model.SelfHostedCustomerForm, requesterEmail string) (*model.SelfHostedSignupCustomerResponse, error)
-	ConfirmSelfHostedSignup(req model.SelfHostedConfirmPaymentMethodRequest, requesterEmail string) (*model.SelfHostedSignupConfirmResponse, error)
-	ConfirmSelfHostedExpansion(req model.SelfHostedConfirmPaymentMethodRequest, requesterEmail string) (*model.SelfHostedSignupConfirmResponse, error)
-	ConfirmSelfHostedSignupLicenseApplication() error
-	GetSelfHostedInvoices(rctx request.CTX) ([]*model.Invoice, error)
-	GetSelfHostedInvoicePDF(invoiceID string) ([]byte, string, error)
-
 	CreateOrUpdateSubscriptionHistoryEvent(userID string, userCount int) (*model.SubscriptionHistory, error)
 	HandleLicenseChange() error
 
 	CheckCWSConnection(userId string) error
 
-	SelfServeDeleteWorkspace(userID string, deletionRequest *model.WorkspaceDeletionRequest) error
 	SubscribeToNewsletter(userID string, req *model.SubscribeNewsletterRequest) error
 
-	// Used only for when a customer has telemetry disabled. In this scenario, true up review telemetry will be submitted via CWS.
-	SubmitTrueUpReview(userID string, trueUpReviewProfile map[string]any) error
-
 	ApplyIPFilters(userID string, ranges *model.AllowedIPRanges) (*model.AllowedIPRanges, error)
 	GetIPFilters(userID string) (*model.AllowedIPRanges, error)
 	GetInstallation(userID string) (*model.Installation, error)