style: remove commented-out code

Author: javier-godoy

src/main/resources/META-INF/frontend/fc-xterm/xterm-console-mixin.ts

@@ -27,12 +27,6 @@ interface IConsoleMixin extends TerminalMixin {
 class ConsoleAddon extends TerminalAddon<IConsoleMixin> {
 
 	activateCallback(terminal: Terminal): void {
-		//const self = this;
-		
-		/*
-		const this.$node = this.this.$node;
-		const terminal = this.this.$node.terminal;
-		*/
 
 		var inputHandler = ((this.$core) as any)._inputHandler;