[termplate] Remove double empty lines

Author: Johan De Wit

templates/mongodb.conf.erb

@@ -71,7 +71,6 @@ storage.quota.maxFilesPerDB: <%= @quotafiles %>
 storage.engine: <%= @storage_engine_internal %>
 <% end -%>
 
-
 #Security
 <% if @auth -%>
 security.authorization: enabled
@@ -85,7 +84,6 @@ security.keyFile: <%= @keyfile %>
 security.javascriptEnabled: <%= @noscripting %>
 <% end -%>
 
-
 #Net
 <% if @ipv6 -%>
 net.ipv6: <%= @ipv6 %>
@@ -177,7 +175,6 @@ setParameter:
   authenticationMechanisms: <%= @supported_auth_mechanisms.join(',') %>
 <% end -%>
 
-
 <% if @config_data -%>
 <% @config_data.each do |k,v| -%>
 <%= k %>: <%= v %>