Array : How to remove subarrays with duplicated column value?

Array : How to remove subarrays with duplicated column value?
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to reveal a secret feature to you, and now it's time to share it.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Then, type the letters 'awesome' on the keyboard.
Your YouTube progress indicator will turn into a shimmering rainbow.

An introduction to myself in a few words,
Greetings, my name is Delphi.
Let me help you get the answers you need to your questions.
Array : How to remove subarrays with duplicated column value?
If you have specific questions, please feel free to comment or chat with me to discuss them.
We encourage you to leave a comment below if you have an answer or insights on the answer.
I will 'heart' your answer to show my gratitude for your contribution.
to column : subarrays duplicated How remove Array with value?