Fixed deleteVlanIpRange API description (apache#8700)

Updates deleteVlanIpRange API description

Author: OlegChuev

api/src/main/java/org/apache/cloudstack/api/command/admin/vlan/DeleteVlanIpRangeCmd.java

@@ -28,7 +28,7 @@
 
 import com.cloud.user.Account;
 
-@APICommand(name = "deleteVlanIpRange", description = "Creates a VLAN IP range.", responseObject = SuccessResponse.class,
+@APICommand(name = "deleteVlanIpRange", description = "Deletes a VLAN IP range.", responseObject = SuccessResponse.class,
         requestHasSensitiveInfo = false, responseHasSensitiveInfo = false)
 public class DeleteVlanIpRangeCmd extends BaseCmd {