refactor: remove unused dep_path var and initialization

[jbedard]

This code has not changed in 2y so it's probably always been there and not a recent regression.

Changes are visible to end-users: no

Test plan

• Covered by existing test cases

[aspect-workflows]

Test

2 test targets passed

Targets

//npm/private:_test_gendocs_0_0 [k8-fastbuild] 46ms
//npm/private:_test_gendocs_0_1 [k8-fastbuild] 28ms

Total test execution time was 74ms. 223 tests (99.1%) were fully cached saving 33s.

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Test

e2e/bzlmod

All tests were cache hits

5 tests (100.0%) were fully cached saving 502ms.

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Test

e2e/gyp_no_install_script

All tests were cache hits

2 tests (100.0%) were fully cached saving 151ms.

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Test

e2e/js_image_oci

All tests were cache hits

1 test (100.0%) was fully cached saving 2s.

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Test

e2e/npm_link_package

All tests were cache hits

3 tests (100.0%) were fully cached saving 448ms.

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Test

e2e/npm_link_package-esm

All tests were cache hits

3 tests (100.0%) were fully cached saving 533ms.

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Test

e2e/npm_translate_lock

All tests were cache hits

1 test (100.0%) was fully cached saving 30ms.

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Test

e2e/npm_translate_lock_empty

All tests were cache hits

1 test (100.0%) was fully cached saving 30ms.

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Test

e2e/npm_translate_lock_multi

All tests were cache hits

2 tests (100.0%) were fully cached saving 268ms.

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Test

e2e/npm_translate_lock_partial_clone

All tests were cache hits

1 test (100.0%) was fully cached saving 31ms.

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Test

e2e/npm_translate_lock_replace_packages

All tests were cache hits

3 tests (100.0%) were fully cached saving 603ms.

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Test

e2e/npm_translate_lock_subdir_patch

All tests were cache hits

1 test (100.0%) was fully cached saving 98ms.

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Test

e2e/npm_translate_package_lock

All tests were cache hits

1 test (100.0%) was fully cached saving 31ms.

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Test

e2e/npm_translate_yarn_lock

All tests were cache hits

1 test (100.0%) was fully cached saving 31ms.

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Test

e2e/package_json_module

All tests were cache hits

1 test (100.0%) was fully cached saving 253ms.

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Test

e2e/pnpm_lockfiles

All tests were cache hits

42 tests (100.0%) were fully cached saving 2s.

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Test

e2e/pnpm_workspace

All tests were cache hits

10 tests (100.0%) were fully cached saving 2s.

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Test

e2e/pnpm_workspace_rerooted

All tests were cache hits

12 tests (100.0%) were fully cached saving 2s.

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Test

e2e/repo_mapping

All tests were cache hits

3 tests (100.0%) were fully cached saving 404ms.

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Test

e2e/rules_foo

All tests were cache hits

2 tests (100.0%) were fully cached saving 187ms.

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Test

e2e/runfiles

All tests were cache hits

1 test (100.0%) was fully cached saving 173ms.

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Test

e2e/vendored_node

All tests were cache hits

1 test (100.0%) was fully cached saving 99ms.

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