Remove dead code

src/browser/modem.js

@@ -1,63 +0,0 @@
-"use strict";
-
-/**
- * A modem via UART, like https://github.com/ewiger/jsmodem
- * Not particlarly useful for anything, superseded by network.js
- *
- * @constructor
- */
-function ModemAdapter()
-{
-    this.send_char = function() {};
-
-    this.enabled = true;
-    this.socket = new WebSocket("ws://localhost:2080");
-
-    this.socket.onopen = this.onopen.bind(this);
-    this.socket.onmessage = this.onmessage.bind(this);
-    this.socket.onclose = this.onclose.bind(this);
-    this.socket.onerror = this.onerror.bind(this);
-
-    this.opened = false;
-}
-
-ModemAdapter.prototype.onmessage = function(e)
-{
-    console.log("onmessage", e);
-};
-
-ModemAdapter.prototype.onclose = function(e)
-{
-    console.log("onclose", e);
-    this.opened = false;
-};
-
-ModemAdapter.prototype.onopen = function(e)
-{
-    console.log("open", e);
-    this.opened = true;
-};
-
-ModemAdapter.prototype.onerror = function(e)
-{
-    console.log("onerror", e);
-};
-
-ModemAdapter.prototype.init = function(code_fn)
-{
-    this.destroy();
-    this.send_char = code_fn;
-};
-
-ModemAdapter.prototype.destroy = function()
-{
-};
-
-ModemAdapter.prototype.put_chr = function(chr)
-{
-    console.log("put_chr", chr);
-    if(this.opened)
-    {
-        this.socket.send(chr);
-    }
-};