feat(feature-activation): update NOP features config on mainnet

[glevco]

Motivation

The start_height of NOP_FEATURE_2 is not correct.

Acceptance Criteria

• Fix the NOP features config on mainnet.

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6a43a05) 85.38% compared to head (459d3fc) 85.26%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #929      +/-   ##
==========================================
- Coverage   85.38%   85.26%   -0.12%     
==========================================
  Files         285      285              
  Lines       22365    22365              
  Branches     3369     3369              
==========================================
- Hits        19096    19070      -26     
- Misses       2601     2621      +20     
- Partials      668      674       +6     

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