std: stop using LinearFifo in BufferedReader (#14029)

See also commit 7287c7482a2c694c7c7f56b9f7c1744a7ae7905f where
LinearFifo is removed from BufferedWriter

Basically, LinearFifo does extra work via copying bytes and increasing
an offset.
ff1eff9979Walther Chen committed on 12/29/2022, 2:44:58 AM· committed by GitHubparent7350f0d
1 file changedLine totals unavailable