Revert "add missing @none in step 13.4, addressing #259"

This reverts commit adc2f48.

This commit was supposed to be pushed into a PR branch,
not directly into master. Sorry 8-/

Author: pchampin

index.html

@@ -1567,10 +1567,8 @@ <h3>Algorithm</h3>
               `@json` or `@none`, and <a>processing mode</a> is `json-ld-1.0`,
               an <a data-link-for="JsonLdErrorCode">invalid type mapping</a>
               error has been detected and processing is aborted.</li>
-            <li id="ctd-invalid-type">Otherwise, if the expanded <var>type</var> is
-              neither <code>@id</code>, nor <code>@json</code>,
-              not <code>@none</code>,
-              nor <code>@vocab</code>, 
+            <li>Otherwise, if the expanded <var>type</var> is
+              neither <code>@id</code>, nor <code>@vocab</code>, nor <code>@json</code>,
               nor an <a>IRI</a>,
               an <a data-link-for="JsonLdErrorCode">invalid type mapping</a>
               error has been detected and processing is aborted.</li>
@@ -6903,9 +6901,6 @@ <h4>JsonLdErrorCode</h4>
 <section class="appendix informative" id="changes-from-cr">
   <h2>Changes since Candidate Release of 12 December 2019</h2>
   <ul>
-    <li>Added missing `@none` in <a href="#ctd-invalid-type">13.4</a> of the
-      <a href="#create-term-definition">Create Term Definition algorithm</a>.
-      This is in response to <a href="https://github.com/w3c/json-ld-api/issues/259">Issue 259</a>.</li>
     <li>Clarified step <a href="#ctd-id-null">16.1</a> of the
       <a href="#create-term-definition">Create Term Definition algorithm</a>
       that remaining steps are skipped if the value of `@id` is `null`.