Remove disabled_signing_algorithms configuration

[sarroutbi]

• Changes made:

  • Configuration removal: Removed disabled_signing_algorithms field from AgentConfig and PushModelConfig structs
  • Default cleanup: Removed DEFAULT_DISABLED_SIGNING_ALGORITHMS constant and its default value ["ecschnorr"]
  • Algorithm context updates: Removed disabled_signing_algorithms from AlgorithmConfiguration, AlgorithmConfigurationString, and ContextInfo structs
  • Logic simplification: Updated get_supported_signing_schemes() to return all TPM-supported signing algorithms without filtering
  • Test updates: Removed disabled_signing_algorithms field initialization from all test cases across multiple modules
  • Configuration parsing: Removed handling of disabled_signing_algorithms from config override functionality

• Impact:

  • Signing algorithm support is now determined solely by TPM capabilities rather than configuration filtering
  • Simplifies configuration management by removing an unnecessary configuration option
  • All previously disabled algorithms (like ecschnorr) will now be available if supported by the TPM

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 58.08%. Comparing base (ef2ca1a) to head (d7c6e54).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
e2e-testsuite	58.08% <100.00%> (-0.12%)	⬇️
upstream-unit-tests	58.08% <100.00%> (-0.12%)	⬇️

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

Files with missing lines	Coverage Δ
...ylime-push-model-agent/src/context_info_handler.rs	60.78% <ø> (-4.68%)	⬇️
keylime-push-model-agent/src/registration.rs	47.22% <ø> (ø)
keylime-push-model-agent/src/state_machine.rs	17.91% <ø> (ø)
keylime-push-model-agent/src/struct_filler.rs	25.43% <ø> (ø)
keylime/src/config/base.rs	86.62% <ø> (-1.05%)	⬇️
keylime/src/config/push_model.rs	60.00% <ø> (ø)
keylime/src/config/testing.rs	34.30% <ø> (-1.41%)	⬇️
keylime/src/context_info.rs	53.68% <100.00%> (-0.03%)	⬇️

... and 7 files with indirect coverage changes

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[sergio-correia]

LGTM, thanks. Always nice to remove code :)

[ansasaki]

LGTM!