fix(scripts): single node celestia app home fix (backport #2467)

[mergify]

This is an automatic backport of pull request #2467 done by Mergify.
Cherry-pick of ee2d952 has failed:

On branch mergify/bp/v1.x/pr-2467
Your branch is up to date with 'origin/v1.x'.

You are currently cherry-picking commit ee2d952.
  (fix conflicts and run "git cherry-pick --continue")
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Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   scripts/single-node.sh

no changes added to commit (use "git add" and/or "git commit -a")

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[rootulp]

Tested locally

Switched to a new branch 'mergify/bp/v1.x/pr-2467'
$ make install
--> Installing celestia-appd
./scripts%
$ ./scripts/single-node.sh
celestia-app home: /Users/rootulp/.celestia-app
celestia-app version: 1.0.0-rc14-9-g2bb39fb3

Are you sure you want to delete: /Users/rootulp/.celestia-app? [y/n] y
Deleting /Users/rootulp/.celestia-app...
Initializing validator and node config files...
Adding a new key to the keyring...
Adding genesis account...
Creating a genesis tx...
Collecting genesis txs...
Starting celestia-app...