chore: remove repetitive words in comments

Signed-off-by: dongjinlong <dongjinlong@outlook.com>

pkg/sentry/kernel/msgqueue/msgqueue.go

@@ -194,7 +194,7 @@ func (r *Registry) newQueueLocked(ctx context.Context, key ipc.Key, creds *auth.
 
 // Remove removes the queue with specified ID. All waiters (readers and
 // writers) and writers will be awakened and fail. Remove will return an error
-// if the ID is invalid, or the the user doesn't have privileges.
+// if the ID is invalid, or the user doesn't have privileges.
 func (r *Registry) Remove(id ipc.ID, creds *auth.Credentials) error {
 	r.mu.Lock()
 	defer r.mu.Unlock()
@@ -491,7 +491,7 @@ func (q *Queue) msgOfType(mType int64, except bool) *Message {
 	return nil
 }
 
-// msgOfTypeLessThan return the the first message with the lowest type less
+// msgOfTypeLessThan return the first message with the lowest type less
 // than or equal to mType, nil if no such message exists.
 //
 // Precondition: caller must hold q.mu.