docs: remove icon properties from onboarding documentation pages

[d-bytebase]

Summary

• Removed icon frontmatter properties from onboarding documentation pages
• Affects plan.mdx and poc.mdx files
• Simplifies page metadata by removing unnecessary icon properties

Test plan

• Verify documentation renders correctly without icon properties
• Check that navigation still works properly for these pages

🤖 Generated with Claude Code

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
bytebase-com	Building	Preview	Comment	Aug 21, 2025 6:36am

[Copilot]

Pull Request Overview

This PR removes icon frontmatter properties from onboarding documentation pages to simplify page metadata and eliminate unnecessary icon configuration.

• Removed icon: 'check' from poc.mdx frontmatter
• Removed icon: 'notebook-pen' from plan.mdx frontmatter

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
mintlify/onboarding/poc.mdx	Removed icon property from POC Checklist page frontmatter
mintlify/onboarding/plan.mdx	Removed icon property from Onboarding Plan page frontmatter

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[github-actions]

📝 Broken Links Check Report

Note: Entries under /api-reference/ are likely false positives and can be ignored.

The following is the output from the broken links check:

found 16 broken links in 9 files

integrations/api/audit-log.mdx
 ⎿  /api-reference/auditlogservice/post-v1auditlogs:search

integrations/api/authentication.mdx
 ⎿  /api-reference/authservice/post-v1authlogin

integrations/api/data-classification.mdx
 ⎿  /api-reference/settingservice/patch-v1settings
 ⎿  /api-reference/databaseservice/patch-v1instances-databases

integrations/api/issue.mdx
 ⎿  /api-reference/issueservice/post-v1projects-issues

integrations/api/permission.mdx
 ⎿  /api-reference/workspaceservice/get-v1workspaces-:getIamPolicy
 ⎿  /api-reference/projectservice/get-v1projects-:getIamPolicy
 ⎿  /api-reference/roleservice/get-v1roles
 ⎿  /api-reference/userservice/get-v1users
 ⎿  /api-reference/groupservice/get-v1groups

integrations/api/plan.mdx
 ⎿  /api-reference/planservice/post-v1projects-plans
 ⎿  /api-reference/sheetservice/post-v1projects-sheets

integrations/api/release.mdx
 ⎿  /api-reference/releaseservice/post-v1projects-releases

integrations/api/rollout.mdx
 ⎿  /api-reference/rolloutservice/post-v1projects-rollouts

integrations/api/sql-review.mdx
 ⎿  /api-reference/releaseservice/post-v1projects-releases:check
 ⎿  /api-reference/sqlservice/post-v1sqlcheck

[h3n4l]

LGTM