refactor!: Clean up command client lib

[cloudxxx8]

If your build fails due to your commit message not passing the build checks, please review the guidelines here: https://github.com/edgexfoundry/go-mod-core-contracts/blob/main/.github/Contributing.md

PR Checklist

Please check if your PR fulfills the following requirements:

• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• I am not introducing a new dependency (add notes below if you are)
• I have added unit tests for the new feature or bug fix (if not, why?)
• I have fully tested (add details below) this the new feature or bug fix (if not, why?)
• I have opened a PR for the related docs change (if not, why?)

Testing Instructions

New Dependency Instructions (If applicable)

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

Attention: Patch coverage is 3.57143% with 27 lines in your changes missing coverage. Please review.

Project coverage is 43.02%. Comparing base (c739c72) to head (ebecdaf).

Files with missing lines	Patch %	Lines
clients/interfaces/mocks/CommandClient.go	0.00%	27 Missing ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #974      +/-   ##
==========================================
- Coverage   43.08%   43.02%   -0.06%     
==========================================
  Files         117      117              
  Lines        7151     7147       -4     
==========================================
- Hits         3081     3075       -6     
- Misses       3727     3731       +4     
+ Partials      343      341       -2     

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

[jinlinGuan]

LGTM