Add title to remove dialog of 'OTP Tokens' entity

To improve translation quality the title of Remove dialog
should be specified explicitly in the spec and should be an
entire sentence.

Fixes: https://pagure.io/freeipa/issue/7699
Reviewed-By: Serhii Tsymbaliuk <stsymbal@redhat.com>

install/ui/src/freeipa/otptoken.js

@@ -305,7 +305,10 @@ return {
             },
             'description'
         ]
-    }
+    },
+    deleter_dialog: {
+        title: '@i18n:objects.otptoken.remove',
+    },
 };};
 
 otptoken.adder_policy = function(spec) {

ipaserver/plugins/internal.py

@@ -743,6 +743,7 @@ class i18n_messages(Command):
                 "details": _("OTP Token Settings"),
                 "disable": _("Disable token"),
                 "enable": _("Enable token"),
+                "remove": _("Remove OTP tokens"),
                 "show_qr": _("Show QR code"),
                 "show_uri": _("Show configuration uri"),
                 "type_hotp": _("Counter-based (HOTP)"),