chore: cleanup json/yaml support for cli

[meskill]

Summary:
Briefly describe the changes made in this PR.

Issue Reference(s):
Fixes #... (Replace "..." with the issue number)

Build & Testing:

• I ran cargo test successfully.
• I have run ./lint.sh --mode=fix to fix all linting issues raised by ./lint.sh --mode=check.

Checklist:

• I have added relevant unit & integration tests.
• I have updated the documentation accordingly.
• I have performed a self-review of my code.
• PR follows the naming convention of <type>(<optional scope>): <title>

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 86.66%. Comparing base (01ebf87) to head (d4eb96b).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/cli/tc/run.rs	0.00%	2 Missing ⚠️
src/cli/generator/generator.rs	0.00%	1 Missing ⚠️
src/cli/tc/check.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3217   +/-   ##
=======================================
  Coverage   86.66%   86.66%           
=======================================
  Files         278      278           
  Lines       27932    27924    -8     
=======================================
- Hits        24206    24201    -5     
+ Misses       3726     3723    -3     

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