docs: simplify static book output

docs/book.toml

@@ -12,10 +12,5 @@ create-missing = false
 
 [output.html]
 default-theme = "light"
-preferred-dark-theme = "navy"
-git-repository-url = "https://github.com/Orkavian/kaptan"
-edit-url-template = "https://github.com/Orkavian/kaptan/edit/main/{path}"
-additional-css = ["theme/kaptan.css"]
-additional-js = ["theme/kaptan.js"]
-fold = { enable = true, level = 1 }
-smart-punctuation = true
+fold = { enable = false }
+search = { enable = false }