Cleanup method parameters in ValidationContext and ExecutionContext

[plafer]

Closes: #319

Description

Also fixes the feature flags typo for val_exec_ctx throughout the codebase.

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PR author checklist:

• Added changelog entry, using unclog.
• Added tests.
• Linked to GitHub issue.
• Updated code comments and documentation (e.g., docs/).
• Tagged one reviewer who will be the one responsible for shepherding this PR.

Reviewer checklist:

• Reviewed Files changed in the GitHub PR explorer.
• Manually tested (in case integration/unit/mock tests are absent).

[codecov]

Codecov Report

Base: 66.31% // Head: 63.21% // Decreases project coverage by -3.10% ⚠️

Coverage data is based on head (323b254) compared to base (968e553).
Patch coverage: 23.80% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #326      +/-   ##
==========================================
- Coverage   66.31%   63.21%   -3.11%     
==========================================
  Files         125      126       +1     
  Lines       12922    14121    +1199     
==========================================
+ Hits         8569     8926     +357     
- Misses       4353     5195     +842     

Impacted Files	Coverage Δ
...s/ibc/src/clients/ics07_tendermint/client_state.rs	45.69% <0.00%> (-10.34%)	⬇️
crates/ibc/src/core/ics02_client/client_state.rs	75.00% <ø> (ø)
...ibc/src/core/ics02_client/handler/create_client.rs	34.86% <ø> (-51.51%)	⬇️
.../ibc/src/core/ics02_client/handler/misbehaviour.rs	53.77% <ø> (-35.29%)	⬇️
...ibc/src/core/ics02_client/handler/update_client.rs	38.66% <0.00%> (-46.63%)	⬇️
...bc/src/core/ics02_client/handler/upgrade_client.rs	73.36% <ø> (-22.06%)	⬇️
...rc/core/ics03_connection/handler/conn_open_init.rs	55.76% <0.00%> (-44.24%)	⬇️
crates/ibc/src/mock/client_state.rs	76.33% <ø> (-13.83%)	⬇️
crates/ibc/src/core/context.rs	32.72% <20.00%> (-12.28%)	⬇️
crates/ibc/src/mock/context.rs	69.59% <20.00%> (-5.33%)	⬇️
... and 16 more

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[Farhad-Shabani]

Looks fine 👍
Just please check below lines to make sure they're correct

• https://github.com/cosmos/ibc-rs/blob/451b4dc6962c1d2f60735c7c947d3904c6135ab4/crates/ibc/src/core/context.rs#L422
• https://github.com/cosmos/ibc-rs/blob/451b4dc6962c1d2f60735c7c947d3904c6135ab4/crates/ibc/src/core/context.rs#L465

[plafer]

Good catch 323b254

[Farhad-Shabani]

🙏