Removes the given signal listener that has been registered with Deno.addSignalListener.

const listener = () => {
  console.log("SIGTERM!")
};
Deno.addSignalListener("SIGTERM", listener);
Deno.removeSignalListener("SIGTERM", listener);

Note: On Windows only "SIGINT" (CTRL+C) and "SIGBREAK" (CTRL+Break) are supported.