ps: Remove &warn.undocumented.func; XML entity or remove useless wrapping para tag

reference/ps/functions/ps-include-file.xml

@@ -13,9 +13,6 @@
    <methodparam><type>resource</type><parameter>psdoc</parameter></methodparam>
    <methodparam><type>string</type><parameter>file</parameter></methodparam>
   </methodsynopsis>
-  <para>
-   &warn.undocumented.func;
-  </para>
  </refsect1>
 
  <refsect1 role="parameters">

reference/ps/functions/ps-open-memory-image.xml

@@ -13,9 +13,7 @@
    <methodparam><type>resource</type><parameter>psdoc</parameter></methodparam>
    <methodparam><type>int</type><parameter>gd</parameter></methodparam>
   </methodsynopsis>
-  <para>
-   &warn.undocumented.func;
-  </para>
+  &warn.undocumented.func;
  </refsect1>
 
  <refsect1 role="parameters">

reference/ps/functions/ps-setflat.xml

@@ -14,9 +14,6 @@
    <methodparam><type>resource</type><parameter>psdoc</parameter></methodparam>
    <methodparam><type>float</type><parameter>value</parameter></methodparam>
   </methodsynopsis>
-  <para>
-   &warn.undocumented.func;
-  </para>
  </refsect1>
 
  <refsect1 role="parameters">

reference/ps/functions/ps-setoverprintmode.xml

@@ -13,9 +13,6 @@
    <methodparam><type>resource</type><parameter>psdoc</parameter></methodparam>
    <methodparam><type>int</type><parameter>mode</parameter></methodparam>
   </methodsynopsis>
-  <para>
-   &warn.undocumented.func;
-  </para>
  </refsect1>
 
  <refsect1 role="parameters">

reference/ps/functions/ps-show-xy2.xml

@@ -16,9 +16,7 @@
    <methodparam><type>float</type><parameter>xcoor</parameter></methodparam>
    <methodparam><type>float</type><parameter>ycoor</parameter></methodparam>
   </methodsynopsis>
-  <para>
-   &warn.undocumented.func;
-  </para>
+  &warn.undocumented.func;
  </refsect1>
 
  <refsect1 role="returnvalues">