Take out unused ZMQ env var in Dockerfile

rgbkrk · rgbkrk · commit e00fb386e309 · 2016-09-05T11:57:17.000-07:00
diff --git a/Dockerfile b/Dockerfile
@@ -8,8 +8,6 @@ RUN apt-get update -y
 RUN apt-get install -y pkg-config
 RUN npm install -g prebuild
 
-# libzmq-4.1.5 prerelease for tweetnacl build fixes
-ENV ZMQ b539733cee0f47f9bf1a70dc7cb7ff20410d3380
 ENV NODE_VERSION 5
 
 ADD . /zmq-prebuilt
