chore: remove GOMAXPROCS setting (#1803)

main.go

@@ -1,12 +1,9 @@
 package main
 
 import (
-	"runtime"
-
 	"github.com/filebrowser/filebrowser/v2/cmd"
 )
 
 func main() {
-	runtime.GOMAXPROCS(runtime.NumCPU())
 	cmd.Execute()
 }