Fix free counters

[kevingranade]

Summary

SUMMARY: None

Purpose of change

Counter techniques have had a hack applied for years setting their move cost to 0 to avoid having the player stunlock themselves when countering.
See #15101
#25859

Describe the solution

Remove the hack and replace it with a guard that prevents a player from stun locking themselves with counters by not selecting a counter if using it would result in the character skipping their next turn.

Describe alternatives you've considered

Some of these counters probably deserve a move cost multiplier as per typical attacks of their style, but I'm not well versed enough in the styles to make that determination, so if that happens it needs to be in a follow up PR.

Testing

Spawn a skilled character with a martial art that grants a counter and hang out near some attacking enemies. Player should be able to act every turn and occasionally fire off counters.
Do the same but with a character with impaired speed.