htmlify: don't log

Don't log the complete stat output of every file we htmlify, it's
boring.

Change-Id: I72e6b6234361430a3a7a67f1235c797be4c0059e

roles/htmlify-logs/tasks/main.yaml

@@ -12,3 +12,4 @@
     input: "{{ item.path }}"
     output: "{{ item.path | regex_replace('\\.txt', '.html') }}"
   loop: "{{ htmlify_files.files }}"
+  no_log: true