Drop use of expanduser in default config
Drop use of expanduser in default config

the existing defaults don't work with k2cli, let's see if this does (and
whether it breaks the non-k2cli case on jenkins?)

alejandroEsc/k2,samsung-cnct/k2,samsung-cnct/kraken-lib,leahnp/k2,samsung-cnct/kraken-lib,alejandroEsc/k2,maratoid/k2,samsung-cnct/k2,leahnp/k2,yenicapotediaz/k2,yenicapotediaz/k2,samsung-cnct/kraken-lib,maratoid/k2