Purging examples configuration.

It was inciting to put uneeded or even harmfull settings (forcing use of old sql client driver instead of 2008).

Author: fredericDelaporte

doc/reference/modules/configuration.xml

@@ -1002,12 +1002,6 @@ ISession session = sessions.OpenSession(conn);
   <session-factory>
 
     <!-- properties -->
-    <property name="connection.provider">
-      NHibernate.Connection.DriverConnectionProvider
-      </property>
-    <property name="connection.driver_class">
-      NHibernate.Driver.SqlClientDriver
-    </property>
     <property name="connection.connection_string">
       Server=localhost;initial catalog=nhibernate;User Id=;Password=
     </property>

doc/reference/modules/example_weblog.xml

@@ -333,9 +333,6 @@ namespace Eg
   <hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">
     <session-factory>
       <property name="dialect">NHibernate.Dialect.MsSql2012Dialect</property>
-      <property name="connection.provider">
-        NHibernate.Connection.DriverConnectionProvider
-      </property>
       <property name="connection.connection_string">
         Server=localhost\SQLEXPRESS;initial catalog=Eg;Integrated Security=True
       </property>

doc/reference/modules/quickstart.xml

@@ -52,9 +52,6 @@
   <hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">
     <session-factory>
       <property name="dialect">NHibernate.Dialect.MsSql2012Dialect</property>
-      <property name="connection.provider">
-        NHibernate.Connection.DriverConnectionProvider
-      </property>
       <property name="connection.connection_string">
         Server=localhost\SQLEXPRESS;initial catalog=quickstart;Integrated Security=True
       </property>