[C23] Move WG14 N2931 to the TS18661 section

This paper only matters for TS18661-3 integration.

Author: AaronBallman

clang/www/c_status.html

@@ -658,7 +658,7 @@ <h2 id="c2x">C23 implementation status</h2>
       <td class="full" align="center">Clang 9</td>
     </tr>
     <tr id="TS18661">
-      <td rowspan="9">TS 18661 Integration</td>
+      <td rowspan="10">TS 18661 Integration</td>
     </tr>
       <tr> <!-- Pre-Oct 2019 -->
         <td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2314.pdf">N2314</a></td>
@@ -692,6 +692,10 @@ <h2 id="c2x">C23 implementation status</h2>
         <td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2755.htm">N2755</a></td>
         <td class="unknown" align="center">Unknown</td>
       </tr>
+      <tr> <!-- Feb 2022 -->
+        <td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2931.pdf">N2931</a></td>
+        <td class="unknown" align="center">Unknown</td>
+      </tr>
     <tr>
       <td>Preprocessor line numbers unspecified</td>
       <td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2322.htm">N2322</a></td>
@@ -1091,11 +1095,6 @@ <h2 id="c2x">C23 implementation status</h2>
         <td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2930.pdf">N2930</a></td>
         <td class="full" align="center">Clang 16</td>
       </tr>
-    <tr>
-      <td>Type annex tgmath narrowing macros with integer args v2</td>
-      <td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2931.pdf">N2931</a></td>
-      <td class="unknown" align="center">Unknown</td>
-    </tr>
     <tr>
       <td>Revise spelling of keywords v7</td>
       <td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2934.pdf">N2934</a></td>