Drop support for the GET /api/tasks/<id>/status API

[Marishka17]

Motivation and context

The GET /api/tasks/<id>/status API endpoint was previously deprecated in favor of GET /api/requests/<rq_id>
Extracted from #9075

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 73.91%. Comparing base (fec040d) to head (c3d1113).
Report is 3 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #9076      +/-   ##
===========================================
+ Coverage    73.75%   73.91%   +0.16%     
===========================================
  Files          428      428              
  Lines        44514    44498      -16     
  Branches      3881     3881              
===========================================
+ Hits         32830    32890      +60     
+ Misses       11684    11608      -76     

Components	Coverage Δ
cvat-ui	77.44% <ø> (-0.03%)	⬇️
cvat-server	70.99% <ø> (+0.31%)	⬆️

[Marishka17]

Before merging this PR, we need to switch the Exchange Oracle from Human Protocol to the requests API.
FYI: @zhiltsov-max

[SpecLad]

Before merging this PR, we need to switch the Exchange Oracle from Human Protocol to the requests API. FYI: @zhiltsov-max

I'll convert it to draft then, to prevent mistakes. Please convert it back when it's safe to merge.