Removed unused bean from SFTP test config

The present bean is left over there after migration from JSch to Apache MINA.

Signed-off-by: Mohammadreza Yektamaram <[email protected]>

Author: mohammad1ta

spring-integration-sftp/src/test/java/org/springframework/integration/sftp/config/InboundChannelAdapterParserCachingTests-context.xml

@@ -28,10 +28,6 @@
 		<beans:constructor-arg ref="sftpSessionFactory"/>
 	</beans:bean>
 
-	<util:properties id="sessionConfig">
-		<beans:prop key="StrictHostKeyChecking">no</beans:prop>
-	</util:properties>
-
 	<sftp:inbound-channel-adapter id="cachingAdapter"
 								  session-factory="csf"
 								  channel="requestChannel"