Remove duplicated 'IssuesAnalytics|Issues created' string

Signed-off-by: Rémy Coutable <remy@rymai.me>

ee/app/assets/javascripts/issues_analytics/components/issues_analytics.vue

@@ -32,7 +32,7 @@ export default {
       seriesInfo: [
         {
           type: 'solid',
-          name: s__('IssuesAnalytics | Issues created'),
+          name: s__('IssuesAnalytics|Issues created'),
           color: '#1F78D1',
         },
       ],
@@ -146,7 +146,7 @@ export default {
         data-qa-selector="issues_analytics_graph"
         :data="{ Full: data }"
         :option="chartOptions"
-        :y-axis-title="s__('IssuesAnalytics|Issues Created')"
+        :y-axis-title="s__('IssuesAnalytics|Issues created')"
         :x-axis-title="s__('IssuesAnalytics|Last 12 months') + ' (' + chartDateRange + ')'"
         x-axis-type="category"
         @created="onCreated"

locale/gitlab.pot

@@ -8404,16 +8404,13 @@ msgstr ""
 msgid "Issues, merge requests, pushes, and comments."
 msgstr ""
 
-msgid "IssuesAnalytics | Issues created"
-msgstr ""
-
 msgid "IssuesAnalytics|After you begin creating issues for your projects, we can start tracking and displaying metrics for them"
 msgstr ""
 
 msgid "IssuesAnalytics|Avg/Month:"
 msgstr ""
 
-msgid "IssuesAnalytics|Issues Created"
+msgid "IssuesAnalytics|Issues created"
 msgstr ""
 
 msgid "IssuesAnalytics|Issues created per month"