Remove setting MPSNAMELENGTH by default

[odow]

We don't pass names. And even if called explicitly, you don't need this on set. You just need it on read to know how much space to allocate.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.61%. Comparing base (df584af) to head (9e09142).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #316   +/-   ##
=======================================
  Coverage   98.60%   98.61%           
=======================================
  Files           3        3           
  Lines        2588     2590    +2     
=======================================
+ Hits         2552     2554    +2     
  Misses         36       36           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.