AETHER-2841 convert configuration to YAML

Change-Id: I7682081e26638249722c6467c74e255e20336821
diff --git a/chronos-exporter/templates/configmap.yaml b/chronos-exporter/templates/configmap.yaml
index 5090a7e..dd502ed 100644
--- a/chronos-exporter/templates/configmap.yaml
+++ b/chronos-exporter/templates/configmap.yaml
@@ -12,7 +12,5 @@
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
 data:
-  {{ $root := . }}
-    {{ range $path, $bytes := .Files.Glob "files/configs/*.json" }}
-    {{ base $path }}: '{{ $root.Files.Get $path }}'
-    {{ end }}
+{{ (.Files.Glob "files/configs/*.yaml").AsConfig | indent 2 }}
+