Move captcha support to another branch until I get time to fix it

This reverts commit 626d32d22b.

src/User.ts

@@ -18,7 +18,6 @@ export class User {
     Config : IConfig;
     IP : string;
     vote : boolean | null;
-    captchaValidated : boolean;
     // Rate limiters
     ChatRateLimit : RateLimiter;
     LoginRateLimit : RateLimiter;
@@ -53,7 +52,6 @@ export class User {
         this.LoginRateLimit.on('limit', () => this.closeConnection());
         this.TurnRateLimit = new RateLimiter(5, 3);
         this.TurnRateLimit.on('limit', () => this.closeConnection());
-        this.captchaValidated = false;
     }
     assignGuestName(existingUsers : string[]) : string {
         var username;