[Mahjong] Reduce compilation/run time of _pass()

[OkanoShinri]

cf. #1070

[OkanoShinri]

• before

function name	# expr lines	compile time	running time
_pass	8539	2526.0ms	223.7μs

• after

function name	# expr lines	compile time	running time
_pass	7231	2334.7ms	144.3μs

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (674a9d7) 88.08% compared to head (72d9d1f) 88.09%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1122   +/-   ##
=======================================
  Coverage   88.08%   88.09%           
=======================================
  Files          60       60           
  Lines        5918     5922    +4     
=======================================
+ Hits         5213     5217    +4     
  Misses        705      705           

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[OkanoShinri]

@sotetsuk
test通ったのでマージして良いですか！

[sotetsuk]

お願いします👍🙏@OkanoShinri