Started to publish test core jar

spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-test-core/pom.xml

@@ -51,12 +51,6 @@
 			</plugins>
 		</pluginManagement>
 		<plugins>
-			<plugin>
-				<artifactId>maven-deploy-plugin</artifactId>
-				<configuration>
-					<skip>false</skip>
-				</configuration>
-			</plugin>
 			<!-- This is a test jar - it can have jdk8 -->
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>