Remove obsolete docker setup documentation
Support for docker was removed in
@@ -68,20 +68,6 @@ For OpenBSD 6.2 and earlier, install via `go get`.
Please note that the OpenBSD builds uses `pledge(2)` to disable some syscalls,
so some features (e.g. version checks, auto-update) are unavailable.
-#### Docker
-
-Build it
-
-```bash
-docker build -t gopass github.com/gopasspw/gopass#master
-```
-
-Use it
-
-```bash
-alias gopass="docker run --rm -ti -v $HOME:/root gopass"
-```
-
### Set up a GPG key pair
gopass depends on the `gpg` program for encryption and decryption. You **must** have a
