Delete Dockerfile.zulu7-jdk

docker/debian9/Dockerfile.zulu7-jdk

@@ -1,17 +0,0 @@
-
-# This Zulu OpenJDK Dockerfile and corresponding Docker image are
-# to be used solely with Java applications or Java application components
-# that are being developed for deployment on Microsoft Azure or Azure Stack,
-# and are not intended to be used for any other purpose.
-
-FROM debian:stretch
-MAINTAINER Zulu Enterprise Container Images <azul-zulu-images@microsoft.com>
-
-RUN apt-get -q update
-RUN apt-get -y install gnupg software-properties-common
-RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 0x219BD9C9 && \
-    apt-add-repository "deb http://repos.azul.com/azure-only/zulu/apt stable main" && \
-    apt-get -q update && \
-    apt-get -y install zulu-7-azure-jdk=7.24.0.2 && \
-    rm -rf /var/lib/apt/lists/*
-