[Refactor] refactor mim uninstall

[ice-tong]

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Motivation

Refactor mim uninstall in order to use the same method as pip uninstall.

Modification

commands/uninstall.py

• Added -r / --requirements option.
• Rename the original package to uninstall_args to uninstall multiple packages at the same time.
• Support for passing unknown option of mim uninstall to pip uninstall.

BC-breaking (Optional)

Does the modification introduce changes that break the back-compatibility of the downstream repos?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

If this PR introduces a new feature, it is better to list some use cases here, and update the documentation.

Checklist

1. Pre-commit or other linting tools are used to fix the potential lint issues.
2. The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
3. If the modification has potential influence on downstream projects, this PR should be tested with downstream projects, like MMDet or MMCls.
4. The documentation has been modified accordingly, like docstring or example tutorials.

[codecov]

Codecov Report

Merging #135 (f181659) into main (90d97cd) will increase coverage by 0.49%.
The diff coverage is 73.33%.

@@            Coverage Diff             @@
##             main     #135      +/-   ##
==========================================
+ Coverage   53.95%   54.44%   +0.49%     
==========================================
  Files          23       23              
  Lines        1544     1552       +8     
  Branches      329      331       +2     
==========================================
+ Hits          833      845      +12     
+ Misses        585      582       -3     
+ Partials      126      125       -1     

Flag	Coverage Δ
unittests	54.44% <73.33%> (+0.49%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mim/commands/uninstall.py	76.19% <73.33%> (-16.12%)	⬇️
mim/commands/install.py	72.97% <0.00%> (+3.37%)	⬆️
mim/commands/list.py	84.09% <0.00%> (+6.81%)	⬆️

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[zhouzaida]

Please add unit tests for uninstall command.