fix: Remove repetitive IAM ready message (#11723)
fix: Remove repetitive IAM ready message (#11723)

"IAM initialization complete" is printed each 5 minutes, avoid this by
printing it only during the first initialization of IAM.
donatello/minio,krisis/minio,NitishT/minio,donatello/minio,NitishT/minio,vadmeste/minio,minio/minio,minio/minio,NitishT/minio,balamurugana/minio,krisis/minio,balamurugana/minio,NitishT/minio,vadmeste/minio