Revert "AUTH-1941: Adds initial SSH server implementation"

This reverts commit e9c9bf3cbd.

vendor/github.com/creack/pty/test_crosscompile.sh

@@ -1,50 +0,0 @@
-#!/usr/bin/env sh
-
-# Test script checking that all expected os/arch compile properly.
-# Does not actually test the logic, just the compilation so we make sure we don't break code depending on the lib.
-
-echo2() {
-    echo $@ >&2
-}
-
-trap end 0
-end() {
-    [ "$?" = 0 ] && echo2 "Pass." || (echo2 "Fail."; exit 1)
-}
-
-cross() {
-    os=$1
-    shift
-    echo2 "Build for $os."
-    for arch in $@; do
-	echo2 "  - $os/$arch"
-	GOOS=$os GOARCH=$arch go build
-    done
-    echo2
-}
-
-set -e
-
-cross linux     amd64 386 arm arm64 ppc64 ppc64le s390x mips mipsle mips64 mips64le
-cross darwin    amd64 386 arm arm64
-cross freebsd   amd64 386 arm
-cross netbsd    amd64 386 arm
-cross openbsd   amd64 386
-cross dragonfly amd64
-cross solaris   amd64
-
-# Not expected to work but should still compile.
-cross windows amd64 386 arm
-
-# TODO: Fix compilation error on openbsd/arm.
-# TODO: Merge the solaris PR.
-
-# Some os/arch require a different compiler. Run in docker.
-if ! hash docker; then
-    # If docker is not present, stop here.
-    return
-fi
-
-echo2 "Build for linux."
-echo2 "  - linux/riscv"
-docker build -t test -f Dockerfile.riscv .