remove unused import

Author: Pearl1594

server/src/main/java/com/cloud/agent/manager/allocator/impl/FirstFitAllocator.java

@@ -25,7 +25,6 @@
 import javax.inject.Inject;
 import javax.naming.ConfigurationException;
 
-import com.cloud.utils.exception.CloudRuntimeException;
 import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
 import org.apache.cloudstack.utils.reflectiontostringbuilderutils.ReflectionToStringBuilderUtils;
 import org.springframework.stereotype.Component;