FIO-7675: Remove maps key from repo

[ryanformio]

Link to Jira Ticket

https://formio.atlassian.net/browse/FIO-7675

Description

What changed?

Previously formio.js had a hardcoded api key set in a few places. Removed them due to it being a public repository.

Why have you chosen this solution?

No other criteria were stated on the ticket and clear that they should not be in a public repo.

Dependencies

n/a

How has this PR been tested?

Ran tests locally

Checklist:

• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation (if applicable)
• [x] My changes generate no new warnings
• [ ] My changes include tests that prove my fix is effective (or that my feature works as intended)
• [x] New and existing unit/integration tests pass locally with my changes
• [ ] Any dependent changes have corresponding PRs that are listed above