Removed some redundant exists checks and formatting stuff

[cheeezburga]

Description

This PR removes some redundant exists checks for BukkitClasses, SimpleEvents and BukkitEventValues.

• BukkitEventValues: just the AoE cloud handles were removed. The behaviour should (I think) be the same, but reflection is no longer needed.
• BukkitClasses: removes the getEntity exists check, as it should always exist in 1.13+
• SimpleEvents: initially didn't plan on including this in this PR, but saw some exists checks that could be removed. Then I saw that the formatting was a bit random at times, so I made it a bit more consistent. Happy to revert this file to what it was before if the formatting stuff is out of the scope of this housekeeping stuff.

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Target Minecraft Versions: any
Requirements: none
Related Issues: #6676 #6641

[APickledWalrus]

I don't think it's safe to remove the AoE cloud handles. They were just added for 1.20.5.

[cheeezburga]

I don't think it's safe to remove the AoE cloud handles. They were just added for 1.20.5.

Oh true. Sorry, I didn't give it much thought honestly coz it was listed in #6641 under the 1.13 bit. I'll revert those changes in a second, but do you know what else the AOE stuff in the legacy tracker issue could be referring to?

[APickledWalrus]

It may be a mistake, I'll check with Sovde

[cheeezburga]

It may be a mistake, I'll check with Sovde

Too easy, appreciate it. If I just put the stuff I removed back in and then push it here, will it like, cancel out and remove the file from this PR?

[sovdeeth]

It may be a mistake, I'll check with Sovde

yes this was a mistake, I read it backwards, thinking the method was for newer versions rather than older versions, I'll remove it from the issue checklist

[Moderocky]

Oh true. Sorry, I didn't give it much thought honestly coz it was listed in #6641 under the 1.13 bit.

Yes don't worry Sovde put some things in the list that shouldn't have been 😔 he got me too

We can go through it all again at the end anyway in case something was missed

[sovdeeth]

Oh true. Sorry, I didn't give it much thought honestly coz it was listed in #6641 under the 1.13 bit.

Yes don't worry Sovde put some things in the list that shouldn't have been 😔 he got me too

We can go through it all again at the end anyway in case something was missed

the ones you crossed off were just for docs updates, not removing checks