Revert "Fix authentication flow with custom authentication extension."

[Thisara-Welmilla]

Reverts #6416

[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

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/13323630837

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/13323630837
Status: failure

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.20%. Comparing base (efd323a) to head (a990047).
Report is 40 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6494      +/-   ##
============================================
+ Coverage     47.14%   47.20%   +0.06%     
+ Complexity    15305    15297       -8     
============================================
  Files          1747     1747              
  Lines        105561   105393     -168     
  Branches      19544    19527      -17     
============================================
- Hits          49763    49753      -10     
+ Misses        48738    48581     -157     
+ Partials       7060     7059       -1     

Flag	Coverage Δ
unit	30.49% <ø> (+<0.01%)	⬆️

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