Reverts changes in pkg/term related to `OPOST` that pulled in through;
3574e6a674
And reverted upstream in;
https://github.com/moby/moby/commit/cd35e4beee13a7c193e2a89008cd87d38fcd0161
Full diff;
https://github.com/moby/moby/compare/c8141a1fb1ff33b2bfab85a40e5da9a282f36cdc...cd35e4beee13a7c193e2a89008cd87d38fcd0161
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>