Example code in FAQ doesn't work

[randyl]

In the file content/docs/faq/index.md, the question "How can I run a block of code with one command?" has this example code:

$ rexify --use Rex::Misc::ShellBlock

That command no longer works. There's a ticket for it at RexOps/Rex#1201. I would submit a pull request to fix this answer, but I'm not sure what the example code should be changed to.

[ferki]

@randyl: thanks for the report! I'm going to update that FAQ item to don't include that instruction.