How to delete the unnessary code from Testament theme?

[cinderela]

I want to delete code in product page:

 "1626903484a5ee1dcb": {
"type": "rich-text",
"blocks": {
"1626903484a5ee1dcb-0": {
"type": "text_block",
"settings": {
"title": "Spread the word, our products are great!",
"text": "<p>By adding additional sections to your product page you can add more context and information about your company. Use additional sections to cross promote other products and collections.<\/p>",
"page": "",
"center": true,
"block_width": 50

},
"block_order": [
"1626903484a5ee1dcb-0"
],
"settings": {
"padding": 50,
"text_color": "#000000",
"background_color": "#ffffff"
}
},
"16269034530f3a50aa": {
"type": "editorial-columns",
"blocks": {
"16269034530f3a50aa-0": {
"type": "text_block",
"settings": {
"link": "",
"title_text": "Our collections",
"text": "<p>Add text with images to give and content and editorial feel. Drive traffic to key areas of your store<\/p>",
"button_text": "Button"
}
},
"16269034530f3a50aa-1": {
"type": "text_block",
"settings": {
"link": "",
"title_text": "Our collections",
"text": "<p>Add text with images to give and content and editorial feel. Drive traffic to key areas of your store<\/p>",
"button_text": "Button"
}
},
"16269034530f3a50aa-2": {
"type": "text_block",
"settings": {
"link": "",
"title_text": "Our collections",
"text": "<p>Add text with images to give and content and editorial feel. Drive traffic to key areas of your store<\/p>",
"button_text": "Button"

How to delete them and the whole code will not be  in errors? 

[Zworthkey]

@cinderela 
it's not the unnecessary code,
Why you want to remove it,

[cinderela]

This is what displays at the front of website. When ppl visit my site, and view product detail page. This displayes as pic. That is why I want to delete.

[Zworthkey]

@cinderela 

Display, it off,
From your admin pannel,
Click on the eye and hide it.

[cinderela]

Where is the admin panel?

[Zworthkey]

This is your admin pannel from where you can operate the things.

[cinderela]

Please help me solve it.

[cinderela]

[Zworthkey]

How you login to the backend?

it like https://your-url/admin