duplicate imports

Author: harikrishna-patnala

server/src/main/java/com/cloud/resource/ResourceManagerImpl.java

@@ -208,7 +208,6 @@
 import com.cloud.utils.ssh.SSHCmdHelper;
 import com.cloud.utils.ssh.SshException;
 import com.cloud.vm.UserVmManager;
-import com.cloud.utils.StringUtils;
 import com.cloud.vm.VMInstanceVO;
 import com.cloud.vm.VirtualMachine;
 import com.cloud.vm.VirtualMachine.State;