Revert "io.encodings: Add a stream-tell method for decoder streams."
Revert "io.encodings: Add a stream-tell method for decoder streams."

This reverts commit 417b8abbeac013e20b2b360aa215c38604bd18fc.

tgunr/factor,bjourne/factor,AlexIljin/factor,AlexIljin/factor,factor/factor,tgunr/factor,bjourne/factor,AlexIljin/factor,bpollack/factor,mrjbq7/factor,AlexIljin/factor,mrjbq7/factor,factor/factor,mrjbq7/factor,tgunr/factor,factor/factor,bjourne/factor,factor/factor,AlexIljin/factor,AlexIljin/factor,mrjbq7/factor,nicolas-p/factor,bpollack/factor,nicolas-p/factor,bpollack/factor,mrjbq7/factor,bpollack/factor,AlexIljin/factor,bpollack/factor,nicolas-p/factor,mrjbq7/factor,tgunr/factor,tgunr/factor,bjourne/factor,nicolas-p/factor,nicolas-p/factor,factor/factor,bpollack/factor,nicolas-p/factor,bjourne/factor,nicolas-p/factor,bjourne/factor,bjourne/factor,tgunr/factor,factor/factor,bpollack/factor