Don't use <dfn> tag on algorithms that aren't referenced elsewhere in the spec

Author: Michael Wilson

index.html

@@ -249,7 +249,7 @@ <h2>
             </p>
             <p data-link-for="Navigator">
               When the {{requestMIDIAccess()}} method is called, the user agent
-              MUST run the <dfn>algorithm to request MIDI Access</dfn>:
+              MUST run the following steps:
             </p>
             <ol>
               <li>
@@ -844,7 +844,7 @@ <h2 id="MIDIPort">
             </p>
             <p>
               When the <code>close()</code> method is called, the user agent
-              MUST run the <dfn>algorithm to close a MIDIPort</dfn>:
+              MUST run the following steps:
             </p>
             <ol>
               <li>