fix server/pom.xml to exclude log4j-over-slf4j
fix server/pom.xml to exclude log4j-over-slf4j

apache/kylin,apache/kylin,apache/incubator-kylin,apache/kylin,apache/incubator-kylin,apache/kylin,apache/kylin,apache/incubator-kylin,apache/kylin,apache/incubator-kylin,apache/incubator-kylin,apache/incubator-kylin,apache/kylin