Cleanup spring-kafka dependency version.

Author: sobychacko

binders/kafka-binder/spring-cloud-stream-binder-kafka/pom.xml

@@ -45,7 +45,6 @@
 		<dependency>
 			<groupId>org.springframework.kafka</groupId>
 			<artifactId>spring-kafka</artifactId>
-			<version>3.3.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>