Migrate forc-tracing and forc-crypto to forc monorepo

[JoshuaBatty]

Summary

This PR completes the sway-side of migrating forc-tracing and forc-crypto to the new forc monorepo, as outlined in RFC #49.

The corresponding forc repo PR: FuelLabs/forc#119

Changes

• Remove forc-tracing crate from workspace (now uses crates.io 0.71.1)
• Remove forc-crypto crate from workspace
• Update CI to no longer build/package forc-crypto binary (it's now built from forc repo)
• Update gh-pages workflow to install forc-crypto from forc repo for documentation generation

Distribution

Going forward, forc-crypto will be built and distributed from the forc repo by:

• sway-nightly-binaries
• fuelup
• fuel.nix

Documentation

For now, documentation for all tooling will continue to live in this repo. The gh-pages workflow now pulls forc-crypto from the forc repo rather than building it locally, so docs generation continues to work as before.

[cursor]

PR Summary

Removes the local forc-crypto and forc-tracing crates, switches to crates.io forc-tracing@0.71, and updates CI/release/docs to install/build forc-crypto from the forc repo.

• Tooling:
  • Remove forc-plugins/forc-crypto from the workspace (delete crate and sources).
  • Replace local forc-tracing with crates.io dependency forc-tracing@0.71 (delete crate; update Cargo.toml).
• CI/Release:
  • Stop building/stripping/packaging forc-crypto in release assets (remove from binary lists).
  • Update tag verification script to drop checks for forc-crypto/local forc-tracing and verify remaining workspace crates.
• Docs (gh-pages):
  • Install forc-crypto from FuelLabs/forc repo instead of local path for docs generation.
• Repo maintenance:
  • Update .github/CODEOWNERS to remove entries for deleted paths.
  • Refresh Cargo.lock to reflect dependency changes (e.g., new forc-tracing, tracing bumps, removals).

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