Reserve only one network specific cached path per session
Remove CBaseChainParams::NetworkID()
SQUASHME: NetworkIdFromCommandLine() function instead of method
SQUASHME: fix "Reserve only one network specific cached path per session"
squashme on 3fdb9e8c (Bluematt's bikeshedding)
Merge pull request #4804 from jtimon/chainparams3

Remove CBaseChainParams::NetworkID()