There are too many networks in the chutney networks directory.
There are 66 "networks" files in the chutney networks directory; of these, I doubt more than a few are actually used for testing things nowadays. I believe we should move aside (or just remove) the ones that are not in current use.
This came up for me because I will need to make a change to some networks in legacy/trac#34447 (moved), and for now it is very hard to tell which of these 66 files I need to make a change for.
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