Fix: do not check if object listed equals object being removed (#2748)
Fix: do not check if object listed equals object being removed (#2748)

List within the statURL function considers object name as a prefix
and lists objects that have the same prefix.
currently, it errors out if the object is a subset of another object.

This PR will fix this.

Fixes #2746
minio/mc,balamurugana/mc,vadmeste/mc,krisis/mc,minio/mc,krisis/mc,vadmeste/mc,balamurugana/mc