minecraft:salmon - missing component_group

Partner Rank: 4
Partner Team Reporting: Blockception
Verification builds: 1.17.40

Summary:

`minecraft:salmon` has one event that specifies the component_group: `adult`, but this group is not yet specified. suggested to add either an empty
group, or remove the add / remove references

Impact:

• Good examples for the community to use.
• Correct working vanilla data-driven files.

Repro Steps:

Observed Results:

Expected Results:

Correct, consistent vanilla files that not only follows minecraft readable format but also by written convention/documentation.

Screenshots/Videos attached: No

Regression Builds: N/A

Notes:

Files:

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