Editorial: rename feature-policy to permissions-policy

Author: sidvishnoi

index.html

@@ -155,11 +155,11 @@ <h2>
       </h2>
       <section data-link-for="Navigator">
         <h2>
-          Feature Policy Integration
+          Permissions Policy Integration
         </h2>
         <p>
           {{requestMIDIAccess()}} is a <a>policy-controlled feature</a>, as
-          defined by [[[Feature-Policy]]].
+          defined by [[[Permissions-Policy]]].
         </p>
         <p>
           The feature name for {{requestMIDIAccess()}} is <dfn data-lt=