unveil: remove git executable and /dev/null

main.go

···
 		log.Fatal(err)
 	}
 
-	if err := Unveil("/usr/local/bin/git", "rx"); err != nil {
-		log.Fatalf("unveil: %s", err)
-	}
-
 	if err := UnveilPaths([]string{
-		"/dev/null",
 		c.Dirs.Static,
 		c.Repo.ScanPath,
 		c.Dirs.Templates,