[PATCH] perf: Clean corpus and caches in distclean, not clean

[David Bremner]

Austin Clements <amdragon at MIT.EDU> writes:

> Previously, we cleaned the downloaded performance corpus and the
> cached indexes on 'make clean'.  This seems heavy-handed, since these
> take a long time to download, unpack, and index.  They also aren't
> make targets to begin with.  Move cleaning these to 'make distclean'.
> This isn't exactly the right meaning of "distclean", but it's closer.

pushed,

d