fix: Remove session expiry cookie

[spalmurray-codecov]

Removes the code that sets the github session expiry cookie.

We are going to try a different approach to come in a future PR.

Closes codecov/engineering-team#2025

[codecov-notifications]

Codecov Report

All modified and coverable lines are covered by tests ✅

✅ All tests successful. No failed tests found.

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[codecov-qa]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.54%. Comparing base (2261c6d) to head (65720ed).

✅ All tests successful. No failed tests found.

@@            Coverage Diff             @@
##             main     #662      +/-   ##
==========================================
- Coverage   91.54%   91.54%   -0.01%     
==========================================
  Files         621      621              
  Lines       16579    16573       -6     
==========================================
- Hits        15178    15172       -6     
  Misses       1401     1401              

Flag	Coverage Δ
unit	91.54% <ø> (-0.01%)	⬇️
unit-latest-uploader	91.54% <ø> (-0.01%)	⬇️

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

Files	Coverage Δ
codecov_auth/views/github.py	98.07% <ø> (-0.11%)	⬇️

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[codecov-public-qa]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.54%. Comparing base (2261c6d) to head (65720ed).

✅ All tests successful. No failed tests found ☺️

@@            Coverage Diff             @@
##             main     #662      +/-   ##
==========================================
- Coverage   91.54%   91.54%   -0.01%     
==========================================
  Files         621      621              
  Lines       16579    16573       -6     
==========================================
- Hits        15178    15172       -6     
  Misses       1401     1401              

Flag	Coverage Δ
unit	91.54% <ø> (-0.01%)	⬇️
unit-latest-uploader	91.54% <ø> (-0.01%)	⬇️

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

Files	Coverage Δ
codecov_auth/views/github.py	98.07% <ø> (-0.11%)	⬇️

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.94%. Comparing base (2261c6d) to head (65720ed).

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff             @@
##               main       #662   +/-   ##
===========================================
  Coverage   95.94000   95.94000           
===========================================
  Files           799        799           
  Lines         17896      17890    -6     
===========================================
- Hits          17170      17164    -6     
  Misses          726        726           

Flag	Coverage Δ
unit	91.54% <ø> (-0.01%)	⬇️
unit-latest-uploader	91.54% <ø> (-0.01%)	⬇️

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

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