Remove a fallback directory in 0.2.8

An operator just told me they are taking down their fallback directory. So I need to comment it out in the 0.2.8 fallback_dirs.inc file, and move it from the whitelist to the blacklist.

The fingerprint is 08DC0F3C6E3D9C527C1FC8745D35DD1B0DE1875D.

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