Remove unnecessary translations

`kaminari` gem itself already provides them.

config/locales/en.yml

@@ -1,21 +1,4 @@
 en:
-  views:
-    pagination:
-      first: "« First"
-      last: "Last »"
-      previous: "‹ Prev"
-      next: "Next ›"
-      truncate: "…"
-  helpers:
-    page_entries_info:
-      one_page:
-        display_entries:
-          zero: "No %{entry_name} found"
-          one: "Displaying <b>1</b> %{entry_name}"
-          other: "Displaying <b>all %{count}</b> %{entry_name}"
-      more_pages:
-        display_entries: "Displaying %{entry_name} <b>%{first}&nbsp;-&nbsp;%{last}</b> of <b>%{total}</b> in total"
-
   time:
     formats:
       default: "%Y-%m-%d %H:%M"