docs: remove legacy cmd examples in favor of powershell

[scidomino]

Summary

Removes legacy Command Prompt (CMD) examples from the documentation, standardizing on PowerShell for Windows environments.

Details

PowerShell has been the default shell on Windows since Windows 10, and Gemini CLI internally defaults to PowerShell for shell command execution. Standardizing the documentation improves consistency and reduces confusion for Windows users.

Related Issues

Fixes #17138

[gemini-code-assist]

Summary of Changes

Hello @scidomino, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request streamlines the documentation for Windows users by removing outdated Command Prompt examples and exclusively featuring PowerShell. This change improves consistency, reduces potential confusion, and reflects the modern Windows environment where PowerShell is the default and preferred shell.

Highlights

• Documentation Update: Removed legacy Command Prompt (CMD) examples from the uninstall.md documentation.
• Standardization: Standardized Windows command examples to exclusively use PowerShell, aligning with its status as the default shell on Windows 10+ and Gemini CLI's internal defaults.

Changelog

• docs/resources/uninstall.md
  • Removed the "Command Prompt" section for Windows uninstall instructions.
  • Updated the "For Windows" section heading to explicitly state "(PowerShell)".

Activity

• The author validated the changes on MacOS, Windows, and Linux using npm run.
• The author updated relevant documentation.
• The author noted that no breaking changes were introduced and no new tests were needed.

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[gemini-code-assist]

Code Review

This pull request removes legacy Command Prompt (CMD) examples from the uninstallation documentation, standardizing on PowerShell for Windows environments. This change improves consistency and simplifies the documentation for Windows users. The modifications in docs/resources/uninstall.md are correct and align with the stated goal. I have reviewed the changes and found no issues.

[github-actions]

Size Change: -2 B (0%)

Total Size: 25.7 MB

ℹ️ View Unchanged

Filename	Size	Change
./bundle/gemini.js	25.2 MB	-2 B (0%)
./bundle/node_modules/@google/gemini-cli-devtools/dist/client/main.js	221 kB	0 B
./bundle/node_modules/@google/gemini-cli-devtools/dist/src/_client-assets.js	227 kB	0 B
./bundle/node_modules/@google/gemini-cli-devtools/dist/src/index.js	11.5 kB	0 B
./bundle/node_modules/@google/gemini-cli-devtools/dist/src/types.js	132 B	0 B
./bundle/sandbox-macos-permissive-open.sb	890 B	0 B
./bundle/sandbox-macos-permissive-proxied.sb	1.31 kB	0 B
./bundle/sandbox-macos-restrictive-open.sb	3.36 kB	0 B
./bundle/sandbox-macos-restrictive-proxied.sb	3.56 kB	0 B
./bundle/sandbox-macos-strict-open.sb	4.82 kB	0 B
./bundle/sandbox-macos-strict-proxied.sb	5.02 kB	0 B

_{compressed-size-action}

[jacob314]