Update ImmutableERC721HybridBase.sol

[valzam]

Remove outdated doc, we do expose a method to change the default royalties

[openzeppelin-code[bot]]

Update ImmutableERC721HybridBase.sol

Generated at commit: d81d33dabbc517d4cf50c90271c751bccefaeff5

🚨 Report Summary

	Severity Level	Results
Contracts	Critical High Medium Low Note Total	2 1 0 11 28 42
Dependencies	Critical High Medium Low Note Total	0 0 0 0 0 0

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