Remove blurb about Namecheap and DNSSEC (mail-in-a-box#34)

Just tested and verified that Namecheap definitely supports DNSSEC, and it was super easy to set up. Here's the how-to :-)

https://www.namecheap.com/support/knowledgebase/article.aspx/9722/2232/managing-dnssec-for-domains-pointed-to-custom-dns

guide.html

@@ -164,7 +164,7 @@ <h2 id="domain-name-registration">Your Domain Name</h2>
 
 	    			<p>Next you will register your new domain name. It&rsquo;s about $17/year, depending on the TLD. Buy basically anything you want, taking into account the TLD recommendations above. This will be the start of your new identity.</p>
 
-	    			<p>I recommend you use <a href="http://www.gandi.net/domain">Gandi.net</a> to register your domain name because I know it works well for Mail-in-a-Box. You can use other domain name registrars besides Gandi, but support for DNSSEC is not good everywhere. For instance some registrars, like Namecheap, do not provide a self-service DNSSEC configuration option, requiring you to file a support ticket to add the necessary records. (DNSSEC is an optional security feature on Mail-in-a-Box. It&rsquo;s nice to have but things will work just fine without it.) </p>
+	    			<p>I recommend you use <a href="http://www.gandi.net/domain">Gandi.net</a> to register your domain name because I know it works well for Mail-in-a-Box. You can use other domain name registrars besides Gandi, but support for DNSSEC is not good everywhere. (DNSSEC is an optional security feature on Mail-in-a-Box. It&rsquo;s nice to have but things will work just fine without it.) </p>
 
 	    			<p>Not all TLDs support DNSSEC either. If you will use Gandi, you should check their <a href="http://wiki.gandi.net/en/domains/dnssec">list of TLDs that support DNSSEC</a>.</p>