Remove drupal:toggle:modules command from post install hook

[imonroe]

READY FOR REVIEW

Summary

• The drupal:toggle:modules command was removed from BLT in version 13.0.0, which was released a year ago.
• We are calling for BLT version ^13.4 in our stack: https://github.com/SU-SWS/acsf-cardinalsites/blob/0a690c9ad89c3ff8330a220526c8529fbbb91dbd/composer.json#L102
• This hook code provided backwards compatibility with older versions of BLT, but is that necessary anymore?
• If not, we can remove this hook, since we're controlling modules per environment via configuration management.

Needed By (Date)

• 🤷

Urgency

• low

Steps to Test

1. Do this
2. Then this
3. Then this

Affected Projects or Products

• Does this PR impact any particular projects, products, or modules?

Associated Issues and/or People

• JIRA ticket
• Other PRs
• Any other contextual information that might be helpful (e.g., description of a bug that this PR fixes, new functionality that it adds, etc.)
• Anyone who should be notified? (@mention them here)

See Also

• PR Checklist

[pookmish]

I'd like to keep the backwards compatibility for now. H&S relies on that command heavily.

[imonroe]

Well, I'll just leave this here then, and we can merge it if/when it no longer matters to H&S.

[pookmish]

I'm just going to remove myself as reviewer so it keeps my "assigned" list clean. we'll merge this PR maybe when we get all our stacks up to PHP8