Make issuable nav more readable

app/views/shared/issuable/_nav.html.haml

@@ -16,7 +16,7 @@
       %li{ class: active_when(params[:state] == 'closed') }>
         = link_to page_filter_path(state: 'closed', label: true), id: 'state-closed', title: 'Filter by merge requests that are currently closed and unmerged.', data: { state: 'closed' } do
           #{issuables_state_counter_text(type, :closed)}
-  - elsif type != :epics
+    - else
       %li{ class: active_when(params[:state] == 'closed') }>
         = link_to page_filter_path(state: 'closed', label: true), id: 'state-closed', title: 'Filter by issues that are currently closed.', data: { state: 'closed' } do
           #{issuables_state_counter_text(type, :closed)}