Delete some duplicate code that was harmless because
exactly the same code is at the end of the nfscl_checksattr()
function that is called just before it. As such, this code
had already been executed and didn't do anything.

MFC after:	1 week


git-svn-id: svn+ssh://svn.freebsd.org/base/head@276221 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f