Remove old manifests and replace with jsonnet build

hack/scripts/build-jsonnet.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -e
+set -x
+
+jsonnet="${1-kube-prometheus.jsonnet}"
+prefix="${2-manifests}"
+json="tmp/manifests.json"
+
+rm -rf ${prefix}
+mkdir -p $(dirname "${json}")
+jsonnet \
+    -J $GOPATH/src/github.com/ksonnet/ksonnet-lib \
+    -J $GOPATH/src/github.com/grafana/grafonnet-lib \
+    -J $GOPATH/src/github.com/coreos/prometheus-operator/contrib/kube-prometheus/jsonnet \
+    -J $GOPATH/src/github.com/brancz/kubernetes-grafana/src/kubernetes-jsonnet \
+    ${jsonnet} > ${json}
+
+files=$(jq -r 'keys[]' ${json})
+
+for file in ${files}; do
+    dir=$(dirname "${file}")
+    path="${prefix}/${dir}"
+    mkdir -p ${path}
+    jq -r ".[\"${file}\"]" ${json} | gojsontoyaml -yamltojson | gojsontoyaml > "${prefix}/${file}"
+done