Remove mentions of Prevalence cache from documentation (#3532)

Author: hazzik

doc/reference/modules/nhibernate_caches.xml

@@ -43,17 +43,6 @@
 		<para>
 			Several cache providers have been contributed by NHibernate users:
 			<variablelist>
-				<varlistentry>
-					<term><classname>NHibernate.Caches.Prevalence</classname></term>
-					<listitem>
-						<para>
-							Uses <classname>Bamboo.Prevalence</classname> as the cache provider. Open the
-							file <filename>Bamboo.Prevalence.license.txt</filename> for more information about its license;
-							you can also visit its <ulink url="http://bbooprevalence.sourceforge.net/">website</ulink>. This
-							provider is available for the .Net Framework only. Also see <xref linkend="NHibernate.Caches.Prevalence" />.
-						</para>
-					</listitem>
-				</varlistentry>
 				<varlistentry>
 					<term><classname>NHibernate.Caches.SysCache</classname></term>
 					<listitem>
@@ -158,8 +147,7 @@
 				<listitem>
 					<para>
 						Choose the cache provider you want to use and copy its assembly in your assemblies directory.
-						(For example, <filename>NHibernate.Caches.Prevalence.dll</filename> or
-						<filename>NHibernate.Caches.SysCache.dll</filename>.)
+						(For example, <filename>NHibernate.Caches.SysCache.dll</filename>.)
 					</para>
 				</listitem>
 				<listitem>
@@ -279,19 +267,6 @@
 		</para>
 	</section>
 
-	<section id="NHibernate.Caches.Prevalence">
-		<title>Prevalence Cache Configuration</title>
-		<para>
-			There is only one configurable parameter: <literal>prevalenceBase</literal>. This is the directory on the
-			file system where the Prevalence engine will save data. It can be relative to the current directory or a
-			full path. If the directory doesn't exist, it will be created.
-		</para>
-		<para>
-			The <literal>prevalenceBase</literal> setting can only be set programmatically through the NHibernate
-			configuration object, by example with <literal>Configuration.SetProperty</literal>.
-		</para>
-	</section>
-
 	<section id="NHibernate.Caches.SysCache">
 		<title>SysCache Configuration</title>
 		<para>

doc/reference/modules/performance.xml

@@ -709,13 +709,6 @@ using(var iter = session
                 <entry></entry>
                 <entry>yes</entry>
             </row>
-            <row>
-                <entry>Prevalence Cache</entry>
-                <entry><literal>NHibernate.Caches.Prevalence.PrevalenceCacheProvider, NHibernate.Caches.Prevalence</literal></entry>
-                <entry>memory, disk</entry>
-                <entry></entry>
-                <entry>yes</entry>
-            </row>
             </tbody>
             </tgroup>
         </table>
@@ -877,12 +870,6 @@ using(var iter = session
                 <entry>yes</entry>
                 <entry>yes</entry>
             </row>
-            <row>
-                <entry>PrevalenceCache</entry>
-                <entry>yes</entry>
-                <entry>yes</entry>
-                <entry>yes</entry>
-            </row>
             </tbody>
             </tgroup>
         </table>