Fixes duplicate diff too large error messages

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/59802

app/assets/javascripts/diffs/components/diff_file.vue

@@ -188,10 +188,6 @@ export default {
         />
       </div>
     </template>
-    <div v-if="isFileTooLarge" class="nothing-here-block diff-collapsed js-too-large-diff">
-      {{ __('This source diff could not be displayed because it is too large.') }}
-      <span v-html="viewBlobLink"></span>
-    </div>
   </div>
 </template>

changelogs/unreleased/fixed-duplicated-large-text-on-diffs.yml

+---
+title: Fixed duplicated diff too large error message
+merge_request:
+author:
+type: fixed

locale/gitlab.pot

@@ -8278,9 +8278,6 @@ msgstr ""
 msgid "This setting will update the hostname that is used to generate private commit emails. %{learn_more}"
 msgstr ""
-msgid "This source diff could not be displayed because it is too large."
-msgstr ""
-
 msgid "This timeout will take precedence when lower than project-defined timeout and accepts a human readable time input language like \"1 hour\". Values without specification represent seconds."
 msgstr ""

spec/javascripts/diffs/components/diff_file_spec.js

@@ -141,18 +141,16 @@ describe('DiffFile', () => {
     it('should have too large warning and blob link', done => {
       const BLOB_LINK = '/file/view/path';
       vm.file.viewer.error = diffViewerErrors.too_large;
+      vm.file.viewer.error_message =
+        'This source diff could not be displayed because it is too large';
       vm.file.view_path = BLOB_LINK;
+      vm.file.renderIt = true;
       vm.$nextTick(() => {
         expect(vm.$el.innerText).toContain(
           'This source diff could not be displayed because it is too large',
         );
-        expect(vm.$el.querySelector('.js-too-large-diff')).toBeDefined();
-        expect(
-          vm.$el.querySelector('.js-too-large-diff a').href.indexOf(BLOB_LINK),
-        ).toBeGreaterThan(-1);
-
         done();
       });
     });