Fixes our own, and upstream's, issues with the stricter Java 8 JavaDoc
linter.
Also removes the destroystokyo-release maven repository. I'm not sure
why I added it originally, but it's unnecessary now.
Reflection (although highly optimized), has noticable overhead.
It also creates noticable GC overhead by allocating arrays with arguments, as @Aikar has said.
Based on WaterfallMC/Waterfall@1692934370
Merge pull request #45 from Techcable/feature/asm-executors