Fix Print Columns for Subnet

[turkenh]

Signed-off-by: Hasan Turken turkenh@gmail.com

Description of your changes

Subnet does not have a spec.location and ready/synced not available in get output.

This PR changes from:

NAME               STATE      LOCATION   AGE
conformancetest1   Updating              6m41s

To:

NAME               READY   SYNCED   STATE      AGE
conformancetest1   False   True     Updating   7m22s

I have:

• Read and followed Crossplane's contribution process.
• Run make reviewable test to ensure this PR is ready for review.

How has this code been tested

Create a subnet and run kubectl get.

[hasheddan]

Thanks!