Remove unnecessary softwares

Dockerfile

@@ -3,7 +3,6 @@ MAINTAINER Anand GAvai <anand.gavai@wur.nl>
 RUN apt-get update -y
 RUN apt-get install software-properties-common -y
 RUN apt-get update -y
-RUN apt-get install golang-1.10-go -y
 RUN apt-get install -y ca-certificates vim