[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* Remmove outdated server tests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/api4/cloud.go

@@ -35,7 +35,6 @@ func (api *API) InitCloud() {
 	api.BaseRoutes.Cloud.Handle("/subscription", api.APISessionRequired(getSubscription)).Methods("GET")
 	api.BaseRoutes.Cloud.Handle("/subscription/invoices", api.APISessionRequired(getInvoicesForSubscription)).Methods("GET")
 	api.BaseRoutes.Cloud.Handle("/subscription/invoices/{invoice_id:[_A-Za-z0-9]+}/pdf", api.APISessionRequired(getSubscriptionInvoicePDF)).Methods("GET")
-	api.BaseRoutes.Cloud.Handle("/subscription/self-serve-status", api.APISessionRequired(getLicenseSelfServeStatus)).Methods("GET")
 
 	// GET /api/v4/cloud/validate-business-email
 	api.BaseRoutes.Cloud.Handle("/validate-business-email", api.APISessionRequired(validateBusinessEmail)).Methods("POST")
@@ -378,40 +377,6 @@ func getInstallation(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-// getLicenseSelfServeStatus makes check for the license in the CWS self-serve portal and establishes if the license is renewable, expandable etc.
-func getLicenseSelfServeStatus(c *Context, w http.ResponseWriter, r *http.Request) {
-	ensured := ensureCloudInterface(c, "Api4.getLicenseSelfServeStatus")
-	if !ensured {
-		return
-	}
-
-	if !c.App.SessionHasPermissionTo(*c.AppContext.Session(), model.PermissionManageLicenseInformation) {
-		c.SetPermissionError(model.PermissionManageLicenseInformation)
-		return
-	}
-
-	_, token, err := c.App.Srv().GenerateLicenseRenewalLink()
-
-	if err != nil {
-		c.Err = err
-		return
-	}
-
-	status, cloudErr := c.App.Cloud().GetLicenseSelfServeStatus(c.AppContext.Session().UserId, token)
-	if cloudErr != nil {
-		c.Err = model.NewAppError("Api4.getLicenseSelfServeStatus", "api.cloud.request_error", nil, "", http.StatusInternalServerError).Wrap(cloudErr)
-		return
-	}
-
-	json, jsonErr := json.Marshal(status)
-	if jsonErr != nil {
-		c.Err = model.NewAppError("Api4.getLicenseSelfServeStatus", "api.cloud.app_error", nil, "", http.StatusInternalServerError).Wrap(jsonErr)
-		return
-	}
-
-	w.Write(json)
-}
-
 func updateCloudCustomer(c *Context, w http.ResponseWriter, r *http.Request) {
 	ensured := ensureCloudInterface(c, "Api4.updateCloudCustomer")
 	if !ensured {