(DOCSP-31338): Remove legacy Sync permissions from SDK tutorial docs

[dacharyc]

Pull Request Info

Jira ticket: https://jira.mongodb.org/browse/DOCSP-31338

• SwiftUI Quick Start: Move rules out of "Enable Device Sync" steps. Add more details about rules. Update to current rules structure.
• Flutter Quick Start: Move rules out of "Enable Device Sync" steps. Add more details about rules. Update to current rules structure.

Reminder Checklist

Before merging your PR, make sure to check a few things.

• [x] Did you tag pages appropriately?
  • genre
  • meta.keywords
  • meta.description
• [x] Describe your PR's changes in the Release Notes section
• [x] Create a Jira ticket for related docs-app-services work, if any

Release Notes

• Flutter SDK
  • Quick Start: Move rules out of "Enable Device Sync" steps. Add more details about rules. Update to current rules structure.
• Swift SDK
  • SwiftUI/Quick Start: Move rules out of "Enable Device Sync" steps. Add more details about rules. Update to current rules structure.

Review Guidelines

REVIEWING.md

[github-actions[bot]]

Readability for Commit Hash: aca9f948159a98f91c4b4e4c3231389e1e7f6cc2

You can see any previous Readability scores (if they exist) by looking at the comment's history.

Readability scores for changed documents:

• source/sdk/flutter/quick-start: Grade Level: 8.0, Reading Ease: 59.19
• source/sdk/swift/swiftui-tutorial: Grade Level: 7.7, Reading Ease: 65.32

For Grade Level, aim for 8 or below.

For Reading Ease scores, aim for 60 or above:

Score	Difficulty
90-100	Very Easy
80-89	Easy
70-79	Fairly Easy
60-69	Medium
50-59	Fairly Hard
30-49	Hard
0-29	Very Hard

For help improving readability, try Hemingway App.

[docs-builder-bot]

✨ Staging URL: https://preview-mongodbmongodb.gatsbyjs.io/realm/master/

🪵 Logs

• job log: fa56217704d0744edb1c619b94aadc457c8e3ef2