Remove redundant translation case

The singular version of the projects selection string was effectively
dead code as there would always be multiple projects selected by the
time the translation took place.

Remove un-needed string.

ee/app/assets/javascripts/analytics/shared/components/projects_dropdown_filter.vue

@@ -3,7 +3,7 @@ import $ from 'jquery';
 import _ from 'underscore';
 import { GlLoadingIcon, GlButton, GlAvatar } from '@gitlab/ui';
 import Icon from '~/vue_shared/components/icon.vue';
-import { n__, s__, __ } from '~/locale';
+import { sprintf, s__, __ } from '~/locale';
 import Api from '~/api';
 import { renderAvatar, renderIdenticon } from '~/helpers/avatar_helper';
 
@@ -49,14 +49,12 @@ export default {
   },
   computed: {
     selectedProjectsLabel() {
-      if (this.selectedProjects.length > 1) {
-        return n__(
-          'CycleAnalytics|%d project selected',
-          'CycleAnalytics|%d projects selected',
-          this.selectedProjects.length,
-        );
-      } else if (this.selectedProjects.length === 1) {
+      if (this.selectedProjects.length === 1) {
         return this.selectedProjects[0].name;
+      } else if (this.selectedProjects.length > 1) {
+        return sprintf(s__('CycleAnalytics|%{projectCount} projects selected'), {
+          projectCount: this.selectedProjects.length,
+        });
       }
 
       return this.selectedProjectsPlaceholder;

locale/gitlab.pot

@@ -5742,10 +5742,8 @@ msgstr ""
 msgid "CycleAnalyticsStage|should be under a group"
 msgstr ""
 
-msgid "CycleAnalytics|%d project selected"
-msgid_plural "CycleAnalytics|%d projects selected"
-msgstr[0] ""
-msgstr[1] ""
+msgid "CycleAnalytics|%{projectCount} projects selected"
+msgstr ""
 
 msgid "CycleAnalytics|%{stageCount} stages selected"
 msgstr ""