Configure nodes.conf path dynamically from config

Removes the use of init() to initialize the variable.

- Closes: #1596
- See also: #1569

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

internal/app/wwctl/genconf/man/root.go

@@ -15,9 +15,6 @@ var (
 	}
 )
 
-func init() {
-}
-
 func GetCommand() *cobra.Command {
 	return baseCmd
 }