missing_pages.html: Remove pthread_rwlockattr_setkind_np() and pthread_rwlockattr_getkind_np()

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
diff --git a/missing_pages.html b/missing_pages.html
index 7435ec2..747ea5f 100644
--- a/missing_pages.html
+++ b/missing_pages.html
@@ -2283,17 +2283,6 @@
   </tr>
   <tr>
     <td>
-      <span class="man-page">pthread_rwlockattr_getkind_np(3)</span>
-    </td>
-    <td>
-      &nbsp;
-    </td>
-    <td>
-      &nbsp;
-    </td>
-  </tr>
-  <tr>
-    <td>
       <span class="man-page">pthread_rwlockattr_getpshared(3)</span>
     </td>
     <td>
@@ -2316,17 +2305,6 @@
   </tr>
   <tr>
     <td>
-      <span class="man-page">pthread_rwlockattr_setkind_np(3)</span>
-    </td>
-    <td>
-      &nbsp;
-    </td>
-    <td>
-      &nbsp;
-    </td>
-  </tr>
-  <tr>
-    <td>
       <span class="man-page">pthread_rwlockattr_setpshared(3)</span>
     </td>
     <td>