Upd tab2 (#13416)

* remove {{

* remove {{

Author: aymanechilah

docs/_posts/aymanechilah/2023-01-23-hocr_table_recognition_en_3_2.md

@@ -163,7 +163,7 @@ val result = pipeline.transform(image_df).cache()
 
 ```bash
 text_regions	table_image	pagenum	modificationTime	path	table_regions	length	image	image_with_regions	hocr	tables	exception	table_index
-[{0, 0, 566.32025...	{file:/content/ta...	0	2023-01-23 08:21:...	file:/content/tab...	{0, 0, 40.0, 0.0,...	172124	{file:/content/ta...	{file:/content/ta...	<?xml version="1....	{{0, 0, 0.0, 0.0,...	null	0
+[{0, 0, 566.32025...	{file:/content/ta...	0	2023-01-23 08:21:...	file:/content/tab...	{0, 0, 40.0, 0.0,...	172124	{file:/content/ta...	{file:/content/ta...	<?xml version="1....	{0, 0, 0.0, 0.0,...	null	0
 ```
 
 ```bash

docs/_posts/aymanechilah/2023-01-23-hocr_table_recognition_pdf_en_3_2.md

@@ -174,7 +174,7 @@ result = result.filter(result.pagenum == 1)
 
 ```bash
 path	modificationTime	length	hocr	height_dimension	width_dimension	pagenum	token	image	total_pages	documentnum	table_regions	scaled_image	image_with_regions	tables	exception	table_index
-file:/content/f11...	2023-01-23 08:16:...	3471478	<div title="bbox ...	791	611	1	[{token, 0, 2, 23...	{file:/content/f1...	1	0	{0, 0, 32.839153,...	{file:/content/f1...	{file:/content/f1...	{{0, 0, 0.0, 0.0,...	null	0
+file:/content/f11...	2023-01-23 08:16:...	3471478	<div title="bbox ...	791	611	1	[{token, 0, 2, 23...	{file:/content/f1...	1	0	{0, 0, 32.839153,...	{file:/content/f1...	{file:/content/f1...	{0, 0, 0.0, 0.0,...	null	0
 ```
 
 ```bash