Merge HTTP section with media type precision section.

index.html

@@ -4521,17 +4521,11 @@ <h3>Media Type Precision</h3>
 ensure that payloads conform with the requirements for their use in a given
 system.
           </p>
-        </section>
-        <section class="informative">
-          <h2>HTTP</h2>
           <p>
 HTTP clients and servers use media types associated with [=verifiable
 credentials=] and [=verifiable presentations=] in accept headers and when
-indicating content types.
-          </p>
-          <p>
-Nonetheless, HTTP servers might ignore the accept header and return another
-content type, or return an error code such as
+indicating content types. Nonetheless, HTTP servers might ignore the accept
+header and return another content type, or return an error code such as
 <a data-cite="RFC7231#section-6.5.13">`415 Unsupported Media Type`</a>.
           </p>
         </section>