This is hopefully less controversial than the PR title suggests.
Reasons for removing this:
We have separate roadmap items for WebTransport and WebRTC, as well as a separate WASM item.
At this point, it's fair to say that raw TCP / UDP sockets in the browser is not going anywhere on the browser side. These efforts are effectively abandoned now.
Reducing the bundle size for js-libp2p seems like a worthwhile goal, and as far as I know js-libp2p has made significant progress towards that goal in recent months. This seems like a fine item for a js-libp2p specific roadmap.
This is hopefully less controversial than the PR title suggests.
Reasons for removing this: