remove unnecessary empty lines

Author: deric

templates/plugin/exec/cmd.conf.erb

@@ -1,6 +1,6 @@
-<% unless @exec.empty? %>
+<%- unless @exec.empty? -%>
   Exec "<%= @user %>:<%= @group %>" "<%= @exec.join('" "') %>"
-<% end %>
-<% unless @notification_exec.empty? %>
+<%- end -%>
+<%- unless @notification_exec.empty? -%>
   NotificationExec "<%= @user %>:<%= @group %>" "<%= @notification_exec.join('" "') %>"
-<% end %>
+<%- end -%>