TYP: Changed variable name repeats to ensured_repeats in pandas/core/indexes/multi.py
xref #37715

Changed variable name `repeats` to `ensured_repeats` pandas/core/indexes/multi.py: 2161 and 2167
Removed type[ignore] assignment and mypy error comment. 


im not sure this is an improvement Yes. It seems to be breaking the function. I'll try to find a fix, if not I will close this pr. Sorry 😔