Remove TCP_FASTOPEN_CONNECT from emscripten

Author: JohnTitor

src/unix/linux_like/emscripten/mod.rs

@@ -1227,7 +1227,6 @@ pub const TCP_QUEUE_SEQ: ::c_int = 21;
 pub const TCP_REPAIR_OPTIONS: ::c_int = 22;
 pub const TCP_FASTOPEN: ::c_int = 23;
 pub const TCP_TIMESTAMP: ::c_int = 24;
-pub const TCP_FASTOPEN_CONNECT: ::c_int = 30;
 
 #[doc(hidden)]
 #[deprecated(since = "0.2.55", note = "Use SIGSYS instead")]