Problem: flake devShell is not valid

[yihuang]

Solution:

• remove gomod2nix

👮🏻👮🏻👮🏻 !!!! REFERENCE THE PROBLEM YOUR ARE SOLVING IN THE PR TITLE AND DESCRIBE YOUR SOLUTION HERE !!!! DO NOT FORGET !!!! 👮🏻👮🏻👮🏻

PR Checklist:

• Have you read the CONTRIBUTING.md?
• Does your PR follow the C4 patch requirements?
• Have you rebased your work on top of the latest master?
• Have you checked your code compiles? (make)
• Have you included tests for any non-trivial functionality?
• Have you checked your code passes the unit tests? (make test)
• Have you checked your code formatting is correct? (go fmt)
• Have you checked your basic code style is fine? (golangci-lint run)
• If you added any dependencies, have you checked they do not contain any known vulnerabilities? (go list -json -m all | nancy sleuth)
• If your changes affect the client infrastructure, have you run the integration test?
• If your changes affect public APIs, does your PR follow the C4 evolution of public contracts?
• If your code changes public APIs, have you incremented the crate version numbers and documented your changes in the CHANGELOG.md?
• If you are contributing for the first time, please read the agreement in CONTRIBUTING.md now and add a comment to this pull request stating that your PR is in accordance with the Developer's Certificate of Origin.

Thank you for your code, it's appreciated! :)

[codecov]

Codecov Report

Merging #1172 (8374bea) into main (35d10cf) will decrease coverage by 19.11%.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1172       +/-   ##
===========================================
- Coverage   33.95%   14.84%   -19.11%     
===========================================
  Files         113       77       -36     
  Lines       11222     6764     -4458     
===========================================
- Hits         3810     1004     -2806     
+ Misses       7034     5677     -1357     
+ Partials      378       83      -295     

see 54 files with indirect coverage changes