Delete difficult checkbox annotation

Delete difficult checkbox annotation

PPOCRLabel/README.md

@@ -223,14 +223,7 @@ PPOCRLabel supports three ways to export Label.txt
 
 - Close application export
 
-
-### 3.4 Export Partial Recognition Results
-
-For some data that are difficult to recognize, the recognition results will not be exported by **unchecking** the corresponding tags in the recognition results checkbox. The unchecked recognition result is saved as `True` in the `difficult` variable in the label file `label.txt`.
-
-> *Note: The status of the checkboxes in the recognition results still needs to be saved manually by clicking Save Button.*
-
-### 3.5 Dataset division
+### 3.4 Dataset division
 
 - Enter the following command in the terminal to execute the dataset division script:
 
@@ -259,7 +252,7 @@ For some data that are difficult to recognize, the recognition results will not
     | ...
   ```
   
-### 3.6 Error message
+### 3.5 Error message
 
 - If paddleocr is installed with whl, it has a higher priority than calling PaddleOCR class with paddleocr.py, which may cause an exception if whl package is not updated.
 

PPOCRLabel/README_ch.md

@@ -203,13 +203,7 @@ PPOCRLabel支持三种导出方式：
 
 - 关闭应用程序导出
 
-### 3.4 导出部分识别结果
-
-针对部分难以识别的数据，通过在识别结果的复选框中**取消勾选**相应的标记，其识别结果不会被导出。被取消勾选的识别结果在标记文件 `label.txt` 中的 `difficult` 变量保存为 `True` 。
-
-> *注意：识别结果中的复选框状态仍需用户手动点击确认后才能保留*
-
-### 3.5 数据集划分
+### 3.4 数据集划分
 
 在终端中输入以下命令执行数据集划分脚本：
 
@@ -238,7 +232,7 @@ python gen_ocr_train_val_test.py --trainValTestRatio 6:2:2 --datasetRootPath ../
     | ...
   ```
   
-### 3.6 错误提示
+### 3.5 错误提示
 
 - 如果同时使用whl包安装了paddleocr，其优先级大于通过paddleocr.py调用PaddleOCR类，whl包未更新时会导致程序异常。