remove --disable-sandboxing in bionic (#2683)
diff --git a/build/docker/ubuntu-bionic/Dockerfile b/build/docker/ubuntu-bionic/Dockerfile
index c554c09..b786ab5 100644
--- a/build/docker/ubuntu-bionic/Dockerfile
+++ b/build/docker/ubuntu-bionic/Dockerfile
@@ -197,8 +197,7 @@
`# OCaml dependencies` \
ocaml \
opam && \
- `# disable sandboxing see https://github.com/ocaml/opam/issues/4327` \
- opam init --yes --disable-sandboxing && \
+ opam init --yes && \
opam install --yes oasis
RUN apt-get install -y --no-install-recommends \