DOC: remove links to install-procedure, configure, docguide-toolsets - N/A for PGPROEE10

Author: Liudmila Mantrova

doc/src/sgml/func.sgml

@@ -18206,15 +18206,6 @@ SELECT collation for ('foo' COLLATE "de_DE");
     </tgroup>
    </table>
 
-   <note>
-    <para>
-     <literal>icu_version</literal> is NULL if
-     <productname>&productname;</productname> is built without ICU. See the
-     <option>--with-icu</option> description in <xref
-     linkend="install-procedure">.
-    </para>
-   </note>
-
    <para>
     <function>pg_control_recovery</> returns a record, shown in
     <xref linkend="functions-pg-control-recovery">

doc/src/sgml/release-10.sgml

@@ -3478,7 +3478,7 @@ Branch: REL_10_STABLE [5159626af] 2017-11-03 14:14:16 -0400
 2017-03-23 [eccfef81e] ICU support
 -->
       <para>
-       Allow the <link linkend="configure"><acronym>ICU</acronym></link> library to
+       Allow the <acronym>ICU</acronym> library to
        optionally be used for collation support (Peter Eisentraut)
       </para>
 
@@ -3618,7 +3618,7 @@ Branch: REL_10_STABLE [5159626af] 2017-11-03 14:14:16 -0400
 
       <para>
        If no strong random number generator can be
-       found, <link linkend="configure">configure</link> will fail unless
+       found, configure will fail unless
        the <option>--disable-strong-random</option> option is used.  However, with
        this option, <link linkend="pgcrypto"><application>pgcrypto</application></link>
        functions requiring a strong random number generator will be disabled.
@@ -3667,8 +3667,8 @@ Branch: REL_10_STABLE [5159626af] 2017-11-03 14:14:16 -0400
 2016-08-24 [0e4cc1fc5] doc: Fix XSLT speedup with older upstream stylesheet ver
 -->
       <para>
-       Overhaul documentation <link linkend="docguide-toolsets">build
-       process</link> (Alexander Lakhin)
+       Overhaul documentation build
+       process (Alexander Lakhin)
       </para>
      </listitem>