Is there a way to disable the option of verify user by email (confirmation link)?
Disable user verification
I don’t understand what you mean by “by email (confirmation link)” 
If you want to disable the verification for all users you must access
Administration menu > Settings > Global Settings > Features and activate “Skip user verification”.
If this answer is not a solution to your problem, you could explain the problem to me in more detail and we can look for solutions.
Greetings