fix(rust): remove RUNTIME_PATH

[hyf0]

Description

Now if users want to have a module called \0rolldown-runtime.js, that's totally fine.

Test Plan

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[hyf0]

Current dependencies on/for this PR:

• main
  • PR chore(rust): benchmark for build API #269
    • PR feat(rust): return errors from NormalModuleTask#resolve_dependencies #270
      • PR refactor(rust): remove impl Default for ModuleId #271
        • PR refactor(rust): rename RawPath to FilePath #272
          • PR refactor(rust): clean up usages of FilePath anf ResourceId #273
            • PR fix(rust): remove RUNTIME_PATH #274 👈

This stack of pull requests is managed by Graphite.

[hyf0]

Merge activity

• Nov 14, 10:13 PM: @hyf0 started a stack merge that includes this pull request via Graphite.
• Nov 14, 10:18 PM: Graphite rebased this pull request as part of a merge.
• Nov 14, 10:19 PM: @hyf0 merged this pull request with Graphite.