docs(middleware): update middleware godocs

Signed-off-by: Felix Gateru <[email protected]>

auth/middleware/doc.go

@@ -1,7 +1,7 @@
 // Copyright (c) Abstract Machines
 // SPDX-License-Identifier: Apache-2.0
 
-// Package middleware provides tracing, logging and metrics middleware
+// Package middleware provides logging metrics and tracing middleware
 // for Magistrala Auth service.
 //
 // For more details about tracing instrumentation for Magistrala messaging refer