reword explanation

[dheeraj-br]

Rewording of emitter.removeListener(eventName, listener) explanation to make it easier to understand

Checklist

• make -j4 test (UNIX), or vcbuild test (Windows) passes
• tests and/or benchmarks are included
• documentation is changed or added
• commit message follows commit guidelines

[Trott]

Hi @dheeraj-br! Welcome, and thanks for the pull request! Documentation changes can attract a lot of comments, so thank you in advance for your patience with the process!

[Trott]

@nodejs/documentation @nodejs/events I'm having a hard time telling if this change makes the explanation clearer or not. Thoughts?

[rexagod]

-1. I personally think the explanation is okay in it's specificity and is good as is.