Is it at all possible – remove the not necessary repository with github?

Answer 1, Authority 100%

Repository Settings – Delete Repository (Last Option) – Enter the Repository name

Answer 2, Authority 167%

1. go to the account
2. choose the repository that we want to remove
3. go to the repository

4. Select in the “SETTINGS” menu (Fig.)
   

5. Scroll page down, select the “Danger Zone” block,
   “Delete this Repository” button (Fig.)
   

6. In the line we prescribe the name of the repository to remove: (Fig.)
   

7. Confirm

   • if you ask the code, enter your account code. All.