[core] Remove PMD.EOL

[oowekyala]

Describe the PR

This is one of the last remaining reasons the class PMD is needed. Once that's gone we can probably remove PMD and the old CLI in pmd-core without too much trouble.

Related issues

• Refs PMD 7 Tracking Issue #3898

Ready?

• Added unit tests for fixed bug/feature
• Passing all unit tests
• Complete build ./mvnw clean verify passes (checked automatically by github actions)
• Added (in-code) documentation (if needed)

[pmd-test]

	1 Message
📖	Compared to master: This changeset changes 10 violations, introduces 2 new violations, 0 new errors and 0 new configuration errors, removes 2 violations, 0 errors and 0 configuration errors. Full report
✅	Compared to master: This changeset changes 0 violations, introduces 0 new violations, 0 new errors and 0 new configuration errors, removes 0 violations, 0 errors and 0 configuration errors. Full report

Generated by 🚫 Danger

[adangel]

Thanks!

I'll push some minor changes and merge it, once the build is green.