tfa login: hide u2f and yubico-otp if not available

Else it may be to confusing for users to see TFA types they cannot
configure anymore (or never could, in the PBS/PMG case).

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

src/window/TfaWindow.js

@@ -400,6 +400,11 @@ Ext.define('Proxmox.window.TfaLoginWindow', {
 		bind: {
 		    disabled: '{!availableChallenge.u2f}',
 		},
+		tabConfig: {
+		    bind: {
+			hidden: '{!availableChallenge.u2f}',
+		    },
+		},
 		items: [
 		    {
 			xtype: 'box',
@@ -430,6 +435,11 @@ Ext.define('Proxmox.window.TfaLoginWindow', {
 		bind: {
 		    disabled: '{!availableChallenge.yubico}',
 		},
+		tabConfig: {
+		    bind: {
+			hidden: '{!availableChallenge.yubico}',
+		    },
+		},
 		items: [
 		    {
 			xtype: 'textfield',