Overheating - Improve getWeaponData by saving weapon config to variable

[DartRuffian]

When merged this pull request will:

• Save the config path to the given weapon to a variable, and using that instead
  • There are not functionality changes in this PR.

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[DartRuffian]

This testing obviously isn't realistic, but I commented out all of the cache related lines (i.e. the get / set) and did some basic tests just to see what the difference would be like.

Current master ranged from ~260-265 ms for 10k cycles.
This PR ranged from ~200-204 ms for 10k cycles.