Delete features list from gateway README

[malinthaprasan]

Removed features section from README.md

Purpose

Explain why this feature or fix is required. Describe the underlying problems, issues, or needs driving this feature/fix and include links to related issues in the following format: Resolves issue1, issue2, etc.

Goals

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Approach

Describe how you are implementing the solutions. Include an animated GIF or screenshot if the change affects the UI. Include a link to a Markdown file or Google doc if the feature write-up is too long to paste here.

User stories

Summary of user stories addressed by this change>

Documentation

Link(s) to product documentation that addresses the changes of this PR. If no doc impact, enter “N/A” plus brief explanation of why there’s no doc impact

Automation tests

• Unit tests

  Code coverage information

• Integration tests

  Details about the test cases and coverage

Security checks

• Followed secure coding standards in http://wso2.com/technical-reports/wso2-secure-engineering-guidelines? yes/no
• Ran FindSecurityBugs plugin and verified report? yes/no
• Confirmed that this PR doesn't commit any keys, passwords, tokens, usernames, or other secrets? yes/no

Samples

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Related PRs

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Test environment

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Summary by CodeRabbit

Release Notes

• Documentation
  • Simplified gateway documentation by removing the features section, streamlining the documented capabilities.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

A Features section listing capabilities (Full CRUD Lifecycle, Zero-Downtime Updates, Validation, Persistence, Observability) was removed from the Tools/CLI area of the gateway documentation without replacement or modification to surrounding content.

Changes

Cohort / File(s)	Summary
Documentation Cleanup docs/gateway/README.md	Removed Features section under Tools/CLI area, deleting five capability bullet points without new content additions.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 The features once gleamed with CRUD and grace,
Zero-downtime updates, validation's embrace,
But off they went like clouds at dawn,
The gateway's tale, now leaner, marches on! ✨

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch malinthaprasan-patch-1

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📜 Recent review details

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between c3c94f2 and da7a66f.

📒 Files selected for processing (1)

• docs/gateway/README.md

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