Updates Learn More link in the generic alert section

ee/app/assets/javascripts/alerts_service_settings/components/alerts_service_form.vue

@@ -54,10 +54,6 @@ export default {
   },
   computed: {
     learnMoreDescription() {
-      if (!this.learnMoreUrl) {
-        return '';
-      }
-
       return sprintf(
         s__(
           'AlertService|%{linkStart}Learn more%{linkEnd} about configuring this endpoint to receive alerts.',

ee/app/views/projects/services/alerts/_help.html.haml

@@ -2,4 +2,4 @@
 
 .js-alerts-service-settings{ data: { activated: @service.activated?.to_s,
   form_path: project_service_path(@project, @service.to_param),
-  authorization_key: @service.token, url: @service.url } }
+  authorization_key: @service.token, url: @service.url, learn_more_url: 'https://docs.gitlab.com/ee/user/project/integrations/generic_alerts.html' } }

ee/spec/frontend/alerts_service_settings/components/__snapshots__/alerts_service_form_spec.js.snap

@@ -6,6 +6,4 @@ exports[`AlertsServiceForm with default values renders "url" input 1`] = `"<glfo
 
 exports[`AlertsServiceForm with default values renders toggle button 1`] = `"<togglebutton-stub id=\\"activated\\"></togglebutton-stub>"`;
 
-exports[`AlertsServiceForm with default values shows description and "Learn More" link 1`] = `"Each alert source must be authorized using the following URL and authorization key. <a href=\\"example.com/learn-more\\" target=\\"_blank\\" rel=\\"noopener noreferrer\\">Learn more</a> about configuring this endpoint to receive alerts."`;
-
-exports[`AlertsServiceForm without learnMoreUrl shows description but not "Learn More" link 1`] = `"Each alert source must be authorized using the following URL and authorization key."`;
+exports[`AlertsServiceForm with default values shows description and "Learn More" link 1`] = `"Each alert source must be authorized using the following URL and authorization key. <a href=\\"https://docs.gitlab.com/ee/user/project/integrations/generic_alerts.md\\" target=\\"_blank\\" rel=\\"noopener noreferrer\\">Learn more</a> about configuring this endpoint to receive alerts."`;

ee/spec/frontend/alerts_service_settings/components/alerts_service_form_spec.js

@@ -14,7 +14,7 @@ const defaultProps = {
   initialAuthorizationKey: 'abcedfg123',
   formPath: 'http://invalid',
   url: 'https://gitlab.com/endpoint-url',
-  learnMoreUrl: 'example.com/learn-more',
+  learnMoreUrl: 'https://docs.gitlab.com/ee/user/project/integrations/generic_alerts.md',
   initialActivated: false,
 };
 
@@ -75,16 +75,6 @@ describe('AlertsServiceForm', () => {
     });
   });
 
-  describe('without learnMoreUrl', () => {
-    beforeEach(() => {
-      createComponent({ learnMoreUrl: '' });
-    });
-
-    it('shows description but not "Learn More" link', () => {
-      expect(findDescription().element.innerHTML).toMatchSnapshot();
-    });
-  });
-
   describe('reset key', () => {
     it('triggers resetKey method', () => {
       const resetKey = jest.fn();