do not set bounds for BPO parameters for the running purpose

[anilbey]

• it works without setting the bounds
• it does not work without the freeze hack (or at least I couldn't get it to work)

[codecov]

Codecov Report

Merging #89 (70aaacb) into main (9ab3525) will decrease coverage by 0.02%.
The diff coverage is n/a.

❗ Current head 70aaacb differs from pull request most recent head 2bcec7f. Consider uploading reports for the commit 2bcec7f to get more accurate results

@@            Coverage Diff             @@
##             main      #89      +/-   ##
==========================================
- Coverage   75.14%   75.12%   -0.02%     
==========================================
  Files          51       51              
  Lines        4096     4093       -3     
==========================================
- Hits         3078     3075       -3     
  Misses       1018     1018              

Impacted Files	Coverage Δ
emodelrunner/load.py	99.30% <ø> (-0.02%)	⬇️