[MM-48542] Removing integration limits (#21282)

* Removing integration limits

* Remove freemium limit test

* Remove test assertion regarding cloud limits

* Remove GetIntegrationsUsage

* Removing integrations usage notifications

* This shouldn't be removed

* Removing client call and websocket event

* Remove old translations

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

api4/usage.go

@@ -18,8 +18,6 @@ func (api *API) InitUsage() {
 	api.BaseRoutes.Usage.Handle("/storage", api.APISessionRequired(getStorageUsage)).Methods("GET")
 	// GET /api/v4/usage/teams
 	api.BaseRoutes.Usage.Handle("/teams", api.APISessionRequired(getTeamsUsage)).Methods("GET")
-	// GET /api/v4/usage/integrations
-	api.BaseRoutes.Usage.Handle("/integrations", api.APISessionRequired(getIntegrationsUsage)).Methods("GET")
 }
 
 func getPostsUsage(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -74,30 +72,3 @@ func getTeamsUsage(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	w.Write(json)
 }
-
-func getIntegrationsUsage(c *Context, w http.ResponseWriter, r *http.Request) {
-	if !*c.App.Config().PluginSettings.Enable {
-		json, err := json.Marshal(&model.IntegrationsUsage{})
-		if err != nil {
-			c.Err = model.NewAppError("Api4.getIntegrationsUsage", "api.marshal_error", nil, "", http.StatusInternalServerError).Wrap(err)
-			return
-		}
-
-		w.Write(json)
-		return
-	}
-
-	usage, appErr := c.App.GetIntegrationsUsage()
-	if appErr != nil {
-		c.Err = appErr
-		return
-	}
-
-	json, err := json.Marshal(usage)
-	if err != nil {
-		c.Err = model.NewAppError("Api4.getIntegrationsUsage", "api.marshal_error", nil, "", http.StatusInternalServerError).Wrap(err)
-		return
-	}
-
-	w.Write(json)
-}