fix: target-live-window unneeded sprout

[luwes]

fix #748

and some cleanup

[vercel]

@luwes is attempting to deploy a commit to the Mux Team on Vercel.

A member of the Team first needs to authorize it.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
elements-demo-nextjs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 13, 2023 9:24pm
elements-demo-vanilla	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 13, 2023 9:24pm

[codecov]

Codecov Report

Merging #852 (c35b93e) into main (f72acf4) will increase coverage by 0.02%.
The diff coverage is 90.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #852      +/-   ##
==========================================
+ Coverage   82.26%   82.29%   +0.02%     
==========================================
  Files          40       40              
  Lines        8384     8391       +7     
  Branches      450      451       +1     
==========================================
+ Hits         6897     6905       +8     
+ Misses       1481     1480       -1     
  Partials        6        6              

Files	Coverage Δ
packages/mux-player/src/index.ts	72.43% <100.00%> (+0.18%)	⬆️
packages/playback-core/src/util.ts	84.69% <0.00%> (ø)