LU-13379 tests: don't use localrecov for older servers

LU-13379 tests: don't use localrecov for older servers

Don't add the "-o localrecov" mount option to older MDT and OST
mounts, since that option is not supported there.

Fixes: 8bd04b4e5766 ("LU-12722 target: disable recovery for local clients")
Test-Parameters: trivial testlist=runtests serverversion=2.12
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: Idc0ba22c9b648d49515f5e0f2d8271c8573ebbe5
Reviewed-on: https://review.whamcloud.com/38022
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Nunez <jnunez@whamcloud.com>
Reviewed-by: Alex Zhuravlev <bzzz@whamcloud.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>