doc: multisig-tutorial: remove obsolete mention and link to closed PR #30556

1. 
   MarnixCroes commented at 10:41 am on July 31, 2024: contributor

   Remove the mention and link as the PR (https://github.com/bitcoin/bitcoin/pull/22341) is closed and the description is wrong/outdated anyway.
2. doc: remove obsolete mention and link to closed PR 3cd24aadb2
3. 
   DrahtBot commented at 10:41 am on July 31, 2024: contributor

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4. DrahtBot added the label Docs on Jul 31, 2024
5. BrandonOdiwuor approved
6. 
   BrandonOdiwuor commented at 2:04 pm on July 31, 2024: contributor

   ACK 3cd24aadb25c1fbdca725c906e0fca79d090ebdd
7. tdb3 approved
8. 
   tdb3 commented at 4:24 pm on July 31, 2024: contributor

   ACK 3cd24aadb25c1fbdca725c906e0fca79d090ebdd
9. fanquake merged this on Jul 31, 2024
10. fanquake closed this on Jul 31, 2024

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11. MarnixCroes deleted the branch on Aug 1, 2024
12. PastaPastaPasta referenced this in commit 0e835b30bb on Apr 22, 2025
13. PastaPastaPasta referenced this in commit 1e04c56084 on Apr 22, 2025
14. PastaPastaPasta referenced this in commit 4a6dc39d69 on Apr 23, 2025
15. bitcoin locked this on Aug 1, 2025

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MarnixCroes DrahtBot BrandonOdiwuor tdb3

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