T6977: FRR patch for 'no encapsulation' command

[hedrok]

FRR patch to add 'no encapsulation' command

Patch adds command 'no encapsulation' under segment-routing/srv6

The patch is already merged upstream: FRRouting/frr#20716

Also remove patches

• 0013-Revert-bgpd-Ensure-incorrect-GR-config-isn-t-display.patch
• 0015-zebra-fix-crash-on-inactive-VRF-and-import-table.patch

That were backported to FRR 10.5.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
• Other (please describe):

Related Task(s)

• https://vyos.dev/T6977

Related PR(s)

This is PR that needs this change:

• srv6: T6977: add srv6 encapsulation source-address vyos-1x#4961

Checklist:

• I have read the CONTRIBUTING document
• I have linked this PR to one or more Phabricator Task(s)
• My commit headlines contain a valid Task id
• My change requires a change to the documentation
• I have updated the documentation accordingly

[github-actions]

👍
No issues in PR Title / Commit Title

[c-po]

Update our FRR patches. Not everything is yet backported upstream.

[sever-sever]

The patch was merged by upstream