chore: Revert "feat: commit artifacts (#106)"

[zguesmi]

This reverts commit b670d26.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #109   +/-   ##
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  Coverage        ?   83.78%           
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  Files           ?        4           
  Lines           ?      111           
  Branches        ?        7           
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  Hits            ?       93           
  Misses          ?       17           
  Partials        ?        1           

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[Copilot]

Pull Request Overview

This PR reverts a previous commit that enabled artifact committing by reverting build configuration changes and removing committed build artifacts. The reversion returns the project to using the standard out directory for build outputs instead of a custom artifacts directory.

• Reverts Foundry configuration from artifacts back to out directory
• Removes committed build artifact JSON files
• Removes CI workflow for verifying artifacts and related environment variables

Reviewed Changes

Copilot reviewed 8 out of 12 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
foundry.toml	Reverts output directory from "artifacts" back to "out"
slither.config.json	Removes foundry_out_directory configuration
artifacts/*.json	Removes committed build artifacts
.github/workflows/verify-artifacts.yml	Removes artifact verification workflow
.github/workflows/main.yml	Removes FOUNDRY_OUT environment variable and forge clean command
.github/workflows/deploy.yml	Removes FOUNDRY_OUT environment variable
.env.template	Removes FOUNDRY_OUT configuration

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