commands: Remove the rlimit tweaking on macOS

Fixes #3512

commands/hugo.go

@@ -25,7 +25,6 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
-	"runtime"
 	"strings"
 	"sync"
 	"time"
@@ -767,10 +766,6 @@ func (c *commandeer) rebuildSites(events []fsnotify.Event) error {
 
 // newWatcher creates a new watcher to watch filesystem events.
 func (c *commandeer) newWatcher(port int) error {
-	if runtime.GOOS == "darwin" {
-		tweakLimit()
-	}
-
 	watcher, err := watcher.New(1 * time.Second)
 	var wg sync.WaitGroup