Sweep: Remove x-hack from shellcheck tool

[sweep-nightly[bot]]

• In ./lib/tools/shellcheck.sh, replace all instances of the 'x-hack' with a direct comparison.

Parent issue: #11

Checklist

- [X] `lib/tools/shellcheck.sh` ❌ Failed

• Search for all instances of 'x-hack' in the shellcheck.sh file. • Replace each instance of 'x-hack' with a direct comparison. This involves removing the 'x' and the '-' from each comparison and ensuring that the comparison still works as expected.

[sweep-nightly[bot]]

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Actions (click)

• [ ] Restart Sweep

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File Path	Proposed Changes
lib/tools/shellcheck.sh	Modify lib/tools/shellcheck.sh with contents: • Search for all instances of 'x-hack' in the shellcheck.sh file. • Replace each instance of 'x-hack' with a direct comparison. This involves removing the 'x' and the '-' from each comparison and ensuring that the comparison still works as expected.

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🎉 Latest improvements to Sweep:

• Getting Sweep to run linters before committing! Check out Sweep Sandbox Configs to set it up.
• Added support for self-hosting! Check out Self-hosting Sweep to get started.
• [Self Hosting] Multiple options to compute vector embeddings, configure your .env file using VECTOR_EMBEDDING_SOURCE

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