Remove nouid32 which breaks xfs

[mattcary]

See kubernetes/cloud-provider-gcp#557 and this example of a failing test.

It appears the nouid32 mount option is not supported by XFS.

I guess it works with ext4 --- but brief internet searching didn't find anything about it, so I don't know if it's something we need to support?
/kind failing-test

None

/assign @msau42

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[msau42]

https://man7.org/linux/man-pages/man5/ext4.5.html

       nouid32
              Disables 32-bit UIDs and GIDs.  This is for
              interoperability with older kernels which only store and
              expect 16-bit values.

Sounds fine to remove. The test is only testing that mount options work, the specific options are not important.

[msau42]

/lgtm