Revert "Add option to drop additional tracks and truncate event seque…

[2lambda123]

…nce for MultiInstrumentPerformanceConverter (#1795)"

This reverts commit 45f47c66fe5dd7a4bc483373ec3c93597c188846.

Description

Related Issue

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Chore (non-breaking change that does not add functionality or fix an issue)

Checklist:

• [ ] I have read the Code of Conduct
• [ ] I have updated the documentation accordingly.
• [ ] All commits are GPG signed

[performance-testing-bot[bot]]

Unable to locate .performanceTestingBot config file

[cr-gpt[bot]]

Seems you are using me but didn't get OPENAI_API_KEY seted in Variables/Secrets for this repo. you could follow readme for more information

[code-companion-ai[bot]]

Processing PR updates...

[git-greetings[bot]]

Thanks @2lambda123 for opening this PR!

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[quine-bot[bot]]

👋 Figuring out if a PR is useful is hard, hopefully this will help.

• @2lambda123 has been on GitHub since 2019 and in that time has had 2306 public PRs merged
• Don't you recognize them? They've been here before 🎉
• Here's a good example of their work: HeyGenClone
• From looking at their profile, they seem to be good with HTML and Roff.

Their most recently public accepted PR is: https://github.com/2lambda123/magenta-magenta/pull/9

[codesyncapp[bot]]

Check out the playback for this Pull Request here.

[git-greetings[bot]]

PR Details of @2lambda123 in magenta-magenta :	OPEN	CLOSED	TOTAL
3	9	12

[penify-dev[bot]]

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