Adsense won’t approve blocked blogs and google wont’ index them  so you cannot use Adsense.
 
But if you set it yourself then you need to remove it yourself.
 
https://support.google.com/blogger/answer/9691230?hl=en
 
 
Blogspot com blogs can only apply from Blogger. you did not.
 
When the earnings tab in the Blogger dashboard is activated, you follow that process and Adsense puts in the code for you then you wait for a review, up to 6 weeks.
https://support.google.com/blogger/answer/1269077?hl=en
 
 
So there are too few posts for you to have been eligible yet.
There are too few posts to be eligible even when/ if it does get indexed.
 
And there is no advertiser demand for sites about these topics.
 
Best poetry Urdu poetry. For lovers. Whatsapp status
 
Also — you changed the robots txt from the default. 
https://bestpoetry2021.blogspot.com/robots.txt
 
 
Log in and go to Settings >> Crawlers and indexing 
If either of these settings are Green then:
Uncheck YES for Custom robots header and Custom Robots txtThe green toggle buttons should be set to OFF.
That will revert to the correct robots.txt