fix: don't check node access again for listing reminders in dav

[icewind1991]

Fixes a performance regression from #50711 (review)

The dav propfind will have already made sure we have access to the node.

The check is left in place for other callers

[AndyScherzinger]

/backport to stable31

[AndyScherzinger]

/backport to stable30

[backportbot]

The backport to stable30 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable30
git pull origin stable30

# Create the new backport branch
git checkout -b backport/52443/stable30

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick 3d36625a

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/52443/stable30

Error: Failed to check for changes with origin/stable30: No changes found in backport branch

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Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.