remove maintainer and last-modified lines from Dockerfile

All contributers to this Dockerfile will be attributed through git. Since it is a
simple Dockerfile, a dedicated maintainer is not necessary. Last-Modified timestamp is
also availlable through git.

1 files changed, 0 insertions, 2 deletions

diff --git a/Dockerfile b/Dockerfile
index a6a6a4e..65a399e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,4 @@
 FROM golang:alpine
-MAINTAINER Quey-Liang Kao <s101062801@m101.nthu.edu.tw>
-# Last Modified: 2017/01/21
 
 RUN apk update && apk add git