Remove the default value of wsProtocols

Using the 'binary' protocol by default is very non-standard.

kasmweb/core/rfb.js

@@ -57,7 +57,7 @@ export default class RFB extends EventTargetMixin {
         this._shared = 'shared' in options ? !!options.shared : true;
         this._repeaterID = options.repeaterID || '';
         this._showDotCursor = options.showDotCursor || false;
-        this._wsProtocols = options.wsProtocols || ['binary'];
+        this._wsProtocols = options.wsProtocols || [];
 
         // Internal state
         this._rfb_connection_state = '';

kasmweb/docs/API.md

@@ -188,7 +188,8 @@ connection to a specified VNC server.
         encountered.
 
     `wsProtocols`
-      - Protocols to use in the WebSocket connection, the default is: ['binary']
+      - An `Array` of `DOMString`s specifying the sub-protocols to use
+        in the WebSocket connection. Empty by default.
 
 #### connect