fix: remove local spellcheck targets

[apskhem]

Description

Remove the local spellcheck targets, UDCs, and workflows as we move away from using GitHub Actions.

Related Issue(s)

Closes #122

Description of Changes

• removed the local spellcheck targets, UDCs, and workflows

Breaking Changes

• removed the spell-check target. If any source is relying on this target, it needs to be updated.

Please confirm the following checks

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream module

[stevenj]

LGTM