update: test to translate confirm message

Not the cleaniest way to handle that in intl.js but works.

src/scripts/intl.js

@@ -76,34 +76,6 @@ class JsI18n {
     return this.mergeDeep(target, ...sources);
   }
 
-   /*
-    Translates tag contents and
-    attributes depending on the
-    value of key.
-  */
-  translateDialog(node) {
-    if (node.attributes['confirmation-message']) {
-      let translation = this.t(node.attributes['confirmation-message'].value);
-      if (translation) {
-        node.attributes['confirmation-message'].value = translation;
-      }
-    }
-
-    if (node.attributes['confirmation-submit-text']) {
-      let translation = this.t(node.attributes['confirmation-submit-text'].value);
-      if (translation) {
-        node.attributes['confirmation-submit-text'].value = translation;
-      }
-    }
-
-    if (node.attributes['confirmation-cancel-text']) {
-      let translation = this.t(node.attributes['confirmation-cancel-text'].value);
-      if (translation) {
-        node.attributes['confirmation-cancel-text'].value = translation;
-      }
-    }
-  }
-
   /*
     Translates tag contents and
     attributes depending on the
@@ -186,11 +158,6 @@ class JsI18n {
         var key = node.attributes["data-trans"];
         if (key != null) {
           this.translateTag(node, key.nodeValue);
-        } else {
-          key = node.attributes["confirmation-message"];
-          if (key) {
-            this.translateDialog(node);
-          }
         }
       }
 
@@ -299,7 +266,7 @@ document.addEventListener("DOMContentLoaded", () => {
   let timer, timer2;
   (new MutationObserver((mutations) => {
     mutations.forEach(mutation => {
-      if (mutation.target.attributes["data-trans"] != null || mutation.target.attributes["confirmation-message"] != null) {
+      if (mutation.target.attributes["data-trans"] != null) {
         // Render the target of the mutation instantly
         window.orbit.intl.processNode(mutation.target);
         // Then wait one arbitrary second to re-render the whole document in case a widget re-rendered