max_x_bytes_per_sec settings apply to all reps

Currently, the 2 bytes_per_sec settings are listed under "Shared File System Repository" but they apply to all repository types.

`max_restore_bytes_per_sec`:: Throttles per node restore rate. Defaults to `20mb` per second.
`max_snapshot_bytes_per_sec`:: Throttles per node snapshot rate. Defaults to `20mb` per second.