Fix showing Jira-issue button when setting is disabled

This fix makes sure that the "Create Jira Issue" button on the
vulnerability details page only shows when the respective
setting has been enabled.

ee/app/assets/javascripts/vulnerabilities/components/footer.vue

@@ -222,10 +222,7 @@ export default {
         class="card-body"
       />
     </div>
-    <related-jira-issues
-      v-if="createJiraIssueUrl || glFeatures.createVulnerabilityJiraIssueViaGraphql"
-      class="gl-mt-6"
-    />
+    <related-jira-issues v-if="createJiraIssueUrl" class="gl-mt-6" />
     <related-issues
       v-else
       :endpoint="issueLinksEndpoint"

ee/spec/frontend/vulnerabilities/footer_spec.js

@@ -285,27 +285,18 @@ describe('Vulnerability Footer', () => {
     const relatedJiraIssues = () => wrapper.find(RelatedJiraIssues);
 
     describe.each`
-      createJiraIssueUrl | createVulnerabilityJiraIssueViaGraphql | shouldShowRelatedJiraIssues
-      ${'http://foo'}    | ${false}                               | ${true}
-      ${'http://foo'}    | ${true}                                | ${true}
-      ${''}              | ${true}                                | ${true}
-      ${''}              | ${false}                               | ${false}
+      createJiraIssueUrl | shouldShowRelatedJiraIssues
+      ${'http://foo'}    | ${true}
+      ${''}              | ${false}
     `(
-      'with createVulnerabilityJiraIssueViaGraphql set to "$createVulnerabilityJiraIssueViaGraphql"',
-      ({
-        createJiraIssueUrl,
-        createVulnerabilityJiraIssueViaGraphql,
-        shouldShowRelatedJiraIssues,
-      }) => {
+      'with "createJiraIssueUrl" set to "$createJiraIssueUrl"',
+      ({ createJiraIssueUrl, shouldShowRelatedJiraIssues }) => {
         beforeEach(() => {
           createWrapper(
             {},
             {
               provide: {
                 createJiraIssueUrl,
-                glFeatures: {
-                  createVulnerabilityJiraIssueViaGraphql,
-                },
               },
             },
           );