[Issue] Remove fatal from newsources

**Describe the bug**
Remove fatal from https://github.com/projectdiscovery/subfinder/blob/1d4a29c78ec05e0a584b0b358db95c412b198ba1/v2/pkg/passive/sources.go#L129

**Subfinder version**
Include the version of subfinder you are using, `subfinder -version`

**Complete command you used to reproduce this**


**Screenshots**
Add screenshots of the error for a better context.
