Simplify scriptalias template

The data type only allows an array for scriptaliases so there is no need
to check for the type. It is also checked at in vhost.pp that the value
is set so there's no need to repeat that logic in the template.

Author: ekohl

templates/vhost/_scriptalias.erb

@@ -1,17 +1,8 @@
-<%- if @scriptaliases.is_a?(Array) -%>
-<%-  aliases = @scriptaliases -%>
-<%- elsif @scriptaliases.is_a?(Hash) -%>
-<%-  aliases = [@scriptaliases] -%>
-<%- else -%>
-<%-  # Nothing to do with any other data type -%>
-<%-  aliases = [] -%>
-<%- end -%>
-<%- if @scriptalias or !aliases.empty? -%>
+<%- aliases = @scriptaliases -%>
   ## Script alias directives
-<%# Combine scriptalais and scriptaliases into a single data structure -%>
+<%# Combine scriptalias and scriptaliases into a single data structure -%>
 <%# for backward compatibility and ease of implementation -%>
 <%- aliases << { 'alias' => '/cgi-bin', 'path' => @scriptalias } if @scriptalias -%>
-<%- aliases.flatten.compact! -%>
 <%- aliases.each do |salias| -%>
   <%- if salias["path"] != '' -%>
     <%- if salias["alias"] and salias["alias"] != '' -%>
@@ -21,4 +12,3 @@
     <%- end -%>
   <%- end -%>
 <%- end -%>
-<%- end -%>