Remove duplicate enums from cvat-ui/src/reducers/index.ts

[SpecLad]

Motivation and context

I found these while working on #9074.

How has this been tested?

Checklist

• I submit my changes into the develop branch
• [ ] I have created a changelog fragment
• [ ] I have updated the documentation accordingly
• [ ] I have added tests to cover my changes
• [ ] I have linked related issues (see GitHub docs)

License

• I submit my code changes under the same MIT License that covers the project.
  Feel free to contact the maintainers if that's a concern.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.99%. Comparing base (3caac72) to head (dc39881).
Report is 4 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #9108      +/-   ##
===========================================
- Coverage    73.99%   73.99%   -0.01%     
===========================================
  Files          430      430              
  Lines        44631    44631              
  Branches      3892     3892              
===========================================
- Hits         33025    33024       -1     
- Misses       11606    11607       +1     

Components	Coverage Δ
cvat-ui	77.53% <ø> (-0.01%)	⬇️
cvat-server	71.06% <ø> (ø)