Update Dockerfile

Author: robertpeteuil

Dockerfile

@@ -3,7 +3,7 @@ FROM alpine:latest
 LABEL maintainer Robert Peteuil <https://github.com/robertpeteuil>
 
 RUN apk --update add python3 py3-pip zip groff less bash curl git && \
-    pip install -U awscli six && \
+    pip install -U awscli && \
     apk --purge -v del && \
     rm -rf `find / -regex '.*\.py[co]'`