config: fix deprecated options

Unfortunately, my theme is still using the deprecated options and its
code, and has been archived upstream...

Maybe that will force me to move to writing my own theme in the future
instead.

config.yaml

@@ -6,8 +6,6 @@ theme:
   - "hugo-atom-feed"
   - "anubis"
 paginate: 5
-disqusShortname: ""
-googleAnalytics: ""
 enableRobotsTXT: true
 enableEmoji: true
 
@@ -69,6 +67,12 @@ params:
     pingback: true
   mathjax: true
 
+services:
+  disqus:
+    shortname: ""
+  googleAnalytics:
+    ID: ""
+
 taxonomies:
   category: "categories"
   tag: "tags"