Remove hardcoded Spring versions from namespaces

This fixes #4945.

samples/xml/dms/src/main/resources/applicationContext-dms-insecure.xml

@@ -6,7 +6,7 @@
 
 <beans xmlns="http://www.springframework.org/schema/beans"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
 
 	<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
 		<property name="dataSource" ref="dataSource"/>

samples/xml/dms/src/main/resources/applicationContext-dms-secure.xml

@@ -8,7 +8,7 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
 	xmlns:s="http://www.springframework.org/schema/security"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
 						http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security.xsd">
 
 	<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">

samples/xml/dms/src/main/resources/applicationContext-dms-shared.xml

@@ -5,7 +5,7 @@
   -->
 <beans xmlns="http://www.springframework.org/schema/beans"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
 
 	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
 		<property name="dataSource" ref="dataSource"/>