Remove spring-session-sample-javaconfig-rest

Works around a compatability issue for now.

Issue gh-2201

spring-session-samples/spring-session-sample-javaconfig-rest/src/main/resources/logback.xml

@@ -1,14 +0,0 @@
-<configuration>
-	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-	<encoder>
-		<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
-	</encoder>
-	</appender>
-
-	<!-- <logger name="org.springframework.security" level="DEBUG"/> -->
-
-	<root level="INFO">
-	<appender-ref ref="STDOUT" />
-	</root>
-
-</configuration>

spring-session-samples/spring-session-sample-javaconfig-rest/src/main/resources/testcontainers.properties

@@ -1 +0,0 @@
-ryuk.container.timeout=120