fix(core): stop adding outdated vscode/cursor rule files to gitignore (#33680) ## Current Behavior ## Expected Behavior ## Related Issue(s) Fixes # --- > [!NOTE] > Removes legacy additions of `.cursor/rules/nx-rules.mdc` and `.github/instructions/nx.instructions.md` to `.gitignore` across code, templates, and migrations. > > - **.gitignore behavior**: > - Remove logic in `packages/nx/src/command-line/init/implementation/utils.ts` that appended `.cursor/rules/nx-rules.mdc` and `.github/instructions/nx.instructions.md`. > - Clean up root `.gitignore` to exclude those entries. > - Update new workspace templates (`packages/workspace/.../__dot__gitignore`) to omit those entries. > - **Migrations**: > - Remove migration `21-1-0-add-ignore-entries-for-nx-rule-files` from `packages/nx/migrations.json` and delete its implementation and spec. > > ^{Written by [Cursor
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