chore(core): remove unused tsconfig files

[coryrylan]

PR Checklist

Please check if your PR fulfills the following requirements:

• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)
• [ ] If applicable, have a visual design approval

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [x] Build related changes
• [ ] CI related changes
• [ ] Documentation content changes
• [ ] clarity.design website / infrastructure changes
• [ ] Other... Please describe:

What is the new behavior?

Rollup handles entrypoints for us and TS does not need to manage each one manually. We can remove all entrypoint tsconfig files as they are not used in the project anymore.

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

Other information