animation.strider.walk - invalid json structure

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

Summary:

`animation.strider.walk` Is an invalid JSON object. It defines key `bristle3` twice

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:

Install a json linter? or just a json extension??

Files: