[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>

app/plugin_install.go

@@ -102,10 +102,6 @@ func (ch *Channels) installPluginFromData(data model.PluginEventData) {
 	if err := ch.notifyPluginStatusesChanged(); err != nil {
 		mlog.Error("Failed to notify plugin status changed", mlog.Err(err))
 	}
-
-	if err := ch.notifyIntegrationsUsageChanged(); err != nil {
-		mlog.Warn("Failed to notify integrations usage changed", mlog.Err(err))
-	}
 }
 
 func (ch *Channels) removePluginFromData(data model.PluginEventData) {
@@ -118,10 +114,6 @@ func (ch *Channels) removePluginFromData(data model.PluginEventData) {
 	if err := ch.notifyPluginStatusesChanged(); err != nil {
 		mlog.Warn("failed to notify plugin status changed", mlog.Err(err))
 	}
-
-	if err := ch.notifyIntegrationsUsageChanged(); err != nil {
-		mlog.Warn("Failed to notify integrations usage changed", mlog.Err(err))
-	}
 }
 
 // InstallPluginWithSignature verifies and installs plugin.
@@ -177,10 +169,6 @@ func (ch *Channels) installPlugin(pluginFile, signature io.ReadSeeker, installat
 		mlog.Warn("Failed to notify plugin status changed", mlog.Err(err))
 	}
 
-	if err := ch.notifyIntegrationsUsageChanged(); err != nil {
-		mlog.Warn("Failed to notify integrations usage changed", mlog.Err(err))
-	}
-
 	return manifest, nil
 }
 
@@ -455,10 +443,6 @@ func (ch *Channels) RemovePlugin(id string) *model.AppError {
 		mlog.Warn("Failed to notify plugin status changed", mlog.Err(err))
 	}
 
-	if err := ch.notifyIntegrationsUsageChanged(); err != nil {
-		mlog.Warn("Failed to notify integrations usage changed", mlog.Err(err))
-	}
-
 	return nil
 }