Revert "Bump fstream from 1.0.11 to 1.0.12 in /cli (#3619)" (#3627)
Revert "Bump fstream from 1.0.11 to 1.0.12 in /cli (#3619)" (#3627)

This reverts commit cd0004fc1b1c3886be0e98a2e79c28b4eb771c12.
flowtype/flow-typed,splodingsocks/FlowTyped,splodingsocks/FlowTyped,flowtype/flow-typed