pnfs: delete an unintended goto

There was an extra goto here where it shouldn't be, because of a merge
error.

Fixes: e2c63e09 ('Merge branch 'flexfiles'')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>