Remove site, page param headings

README.md

@@ -285,8 +285,6 @@ paige:
 
 The assigned values shown are the default values.
 
-### Site parameters
-
 Optional site parameters:
 
 ```yaml
@@ -296,8 +294,6 @@ authors:
     default: false # Credit this author in pages that have no authors parameter
 ```
 
-### Page parameters
-
 Optional page parameters:
 
 ```yaml