Exhumed: Merge all player counter code into one function.

Probably a bit too much to break these down as much as I did.

Exhumed: Split out player dopple actor update code.

This cleans most of the player tick code. Now, onto that ghastly pickup code...

Exhumed: Move moving block check code back into player ticker for now.

Reverts 52b2d1cd7d03edc09904c40d08c844b2d43e2788

Upon closer inspection, the original code here used zz on the player stack, which was re-obtained again using the actor's Z vel, however the actor's Z vel gets modified along the way which could break how this code is meant to work.

Should be split again but requires holistic thought.

Exhumed: Fix moving block sound setup to match PowerslaveGDX.

Setup we had looked wrong by comparison, and it eliminates the last goto in the player tick code!

Exhumed: Split out player yaw code.

Consider where this is executed. Should it come after the Ramses check, or be performed along-side player's pitch?

Exhumed: Remove goto out of updatePlayerAction().

Doesn't really make sense and PowerslaveGDX doesn't do any jumping like this here.

Exhumed: Clean out some stale goto calls that were commented out.

Only two remaining gotos to handle now.

Exhumed: Remove ClearSpaceBar() and just directly clear the input bit.

Also fix issue where SB_OPEN bit never seemed to be cleared properly.

Also just directly test/use the player's input actions to minimise stack variables during this cleanup process.