remove useless code

sdk/src/main/java/cn/wildfirechat/sdk/Main.java

@@ -903,14 +903,5 @@ public class Main {
             System.out.println("Get device failure");
             System.exit(-1);
         }
-
-        IMResult<OutputDeviceHost> getDeviceHost = UserAdmin.getDeviceHost("deviceId1");
-        if (getDeviceHost != null && getDeviceHost.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS && !StringUtil.isNullOrEmpty(getDeviceHost.getResult().getHost())) {
-            System.out.println("Get user device success");
-        } else {
-            System.out.println("Get device failure");
-            System.exit(-1);
-        }
-
     }
 }

sdk/src/main/java/cn/wildfirechat/sdk/UserAdmin.java

@@ -90,11 +90,4 @@ public class UserAdmin {
         inputUserId.setUserId(userId);
         return AdminHttpUtils.httpJsonPost(path, inputUserId, OutputDeviceList.class);
     }
-
-    public static IMResult<OutputDeviceHost> getDeviceHost(String deviceId) throws Exception {
-        String path = APIPath.Get_Device_Host;
-        InputDeviceId inputUserId = new InputDeviceId();
-        inputUserId.setDeviceId(deviceId);
-        return AdminHttpUtils.httpJsonPost(path, inputUserId, OutputDeviceHost.class);
-    }
 }