kubernetes-master: Update for lint

Signed-off-by: Steve Milner <smilner@redhat.com>

Closes: #125
Approved by: giuseppe

kubernetes-master/Dockerfile

@@ -1,13 +1,13 @@
 FROM registry.fedoraproject.org/fedora:rawhide
-MAINTAINER "Jason Brooks" <jbrooks@redhat.com>
 
 ENV NAME=kubernetes-master VERSION=0 RELEASE=0 ARCH=x86_64
 LABEL bzcomponent="$NAME" \
         name="$FGC/$NAME" \
         version="$VERSION" \
         release="$RELEASE.$DISTTAG" \
-        architecture="$ARCH"
+        architecture="$ARCH" \
+        maintainer="Jason Brooks <jbrooks@redhat.com>"
 
-RUN dnf -y update && dnf clean all
+RUN dnf -y --setopt=tsflags=nodocs update && dnf clean all
 RUN groupadd -g 994 kube && useradd -u 996 -g 994 kube
 RUN dnf install -y kubernetes-master findutils && dnf clean all