remove unused wasm_import

runtime/internal/lib/syscall/net_wasip1.go

@@ -16,14 +16,6 @@ const (
 
 type sdflags = uint32
 
-//go:wasmimport wasi_snapshot_preview1 sock_accept
-//go:noescape
-func sock_accept(fd int32, flags fdflags, newfd *int32) Errno
-
-//go:wasmimport wasi_snapshot_preview1 sock_shutdown
-//go:noescape
-func sock_shutdown(fd int32, flags sdflags) Errno
-
 func Socket(proto, sotype, unused int) (fd int, err error) {
 	panic("not implemented")
 }