misc/codex: misc/codex: Update to 0.63.0

While here, remove unnecessary local patches, which have been made
unnecessary by the GitHub PR
6680 (https://github.com/openai/codex/pull/6680).

Changelog:

• https://github.com/openai/codex/releases/tag/rust-v0.59.0
• https://github.com/openai/codex/releases/tag/rust-v0.60.1
• https://github.com/openai/codex/releases/tag/rust-v0.61.0
• https://github.com/openai/codex/releases/tag/rust-v0.63.0

Reported by: GitHub (watch releases)