[core] Simplify magic/ranged state hasMoved()

[WinterSolstice8]

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• I have read and understood the Contributing Guide and the Code of Conduct.
• I have tested my code and the things my code has changed since the last commit in the PR and will test after any later commits.

What does this pull request do?

See title - magic/ranged state hasMoved was complicated for seemingly no good reason when you can just use distance

.3 yalms is used from approx this video
We'll get more precise data later but this is .25~ish so close enough.
Vertical axis seems to be ignored on retail.

Steps to test these changes

/ra or cast spell, wiggle a bit from your original position and still be able to cast

[sruon]

Retail test https://youtu.be/uryLJSRRouE

Didn't record but RA test produced the same result.