DOC-4115 fixed extra X's in table

Author: loganmantyla

source/puppet/6.4/types/user.md

@@ -846,7 +846,7 @@ Provider support:
     <tr>
       <td>useradd</td>
       <td><em>X</em> </td>
-      <td><em>X</em> </td>
+      <td> </td>
       <td> </td>
       <td><em>X</em> </td>
       <td><em>X</em> </td>
@@ -856,10 +856,7 @@ Provider support:
       <td> </td>
       <td><em>X</em> </td>
       <td> </td>
-      <td><em>X</em> </td>
-      <td><em>X</em> </td>
       <td> </td>
-      <td><em>X</em> </td>
     </tr>
     <tr>
       <td>windows_adsi</td>