fix checkstyle

Signed-off-by: Abhishek Kumar <[email protected]>

Author: shwstppr

engine/schema/src/main/java/com/cloud/host/dao/HostDaoImpl.java

@@ -21,7 +21,6 @@
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;

engine/schema/src/main/java/com/cloud/storage/dao/VMTemplateDaoImpl.java

@@ -17,7 +17,6 @@
 package com.cloud.storage.dao;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
@@ -52,7 +51,6 @@
 import com.cloud.tags.dao.ResourceTagDao;
 import com.cloud.template.VirtualMachineTemplate;
 import com.cloud.utils.Pair;
-import com.cloud.utils.StringUtils;
 import com.cloud.utils.db.DB;
 import com.cloud.utils.db.Filter;
 import com.cloud.utils.db.GenericDaoBase;