Remove unused function in utils

app/static/js/Utils.js

@@ -69,62 +69,6 @@ class Utils {
     return Utils.mergeObjectsDeep(mergedObject, ...objects.slice(2));
   }
 
-  static deleteCorpusFileRequest(userId, corpusId, corpusFileId) {
-    return new Promise((resolve, reject) => {
-      let corpusFile;
-      try {
-        corpusFile = app.data.users[userId].corpora[corpusId].files[corpusFileId];
-      } catch (error) {
-        corpusFile = {};
-      }
-
-      let modalElement = Utils.HTMLToElement(
-        `
-          <div class="modal">
-            <div class="modal-content">
-              <h4>Confirm Corpus File deletion</h4>
-              <p>Do you really want to delete the Corpus File <b>${corpusFile?.title}</b>? All files will be permanently deleted!</p>
-            </div>
-            <div class="modal-footer">
-              <a class="action-button btn modal-close waves-effect waves-light" data-action="cancel">Cancel</a>
-              <a class="action-button btn modal-close red waves-effect waves-light" data-action="confirm">Delete</a>
-            </div>
-          </div>
-        `
-      );
-      document.querySelector('#modals').appendChild(modalElement);
-      let modal = M.Modal.init(
-        modalElement,
-        {
-          dismissible: false,
-          onCloseEnd: () => {
-            modal.destroy();
-            modalElement.remove();
-          }
-        }
-      );
-
-      let confirmElement = modalElement.querySelector('.action-button[data-action="confirm"]');
-      confirmElement.addEventListener('click', (event) => {
-        let corpusFileTitle = corpusFile?.title;
-        fetch(`/corpora/${corpusId}/files/${corpusFileId}`, {method: 'DELETE', headers: {Accept: 'application/json'}})
-          .then(
-            (response) => {
-              if (response.status === 403) {app.flash('Forbidden', 'error'); reject(response);}
-              if (response.status === 404) {app.flash('Not Found', 'error'); reject(response);}
-              app.flash(`Corpus File "${corpusFileTitle}" deleted`, 'corpus');
-              resolve(response);
-            },
-            (response) => {
-              app.flash('Something went wrong', 'error');
-              reject(response);
-            }
-          );
-      });
-      modal.open();
-    });
-  }
-
   static deleteProfileAvatarRequest(userId) {
     return new Promise((resolve, reject) => {
       let modalElement = Utils.HTMLToElement(