btrfs-driver.md: remove unneeded use of sudo and cat

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Kenyon Ralph 2020-08-12 22:48:37 -07:00 committed by GitHub
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@ -42,7 +42,7 @@ Btrfs Filesystem as Btrfs.
command:
```bash
$ sudo cat /proc/filesystems | grep btrfs
$ grep btrfs /proc/filesystems
btrfs
```