missing_pages.html: Remove posix_spawn() and posix_spawnp()

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
diff --git a/missing_pages.html b/missing_pages.html
index a7fb098..30f0620 100644
--- a/missing_pages.html
+++ b/missing_pages.html
@@ -1597,8 +1597,6 @@
 
   <tr>
     <td>
-      <span class="man-page">posix_spawn(3)</span>
-      <br>
       <span class="man-page">posix_spawnattr_destroy(3)</span>
       <br>
       <span class="man-page">posix_spawnattr_getflags(3)</span>
@@ -1636,8 +1634,6 @@
       <span class="man-page">posix_spawn_file_actions_destroy(3)</span>
       <br>
       <span class="man-page">posix_spawn_file_actions_init(3)</span>
-      <br>
-      <span class="man-page">posix_spawnp(3)</span>
     </td>
     <td>
       &nbsp;