remove third level of toc

README.markdown

@@ -16,25 +16,7 @@ jsx uses [sinan][sinan] or [rebar][rebar] for it's build chain
 * [quickstart](#quickstart)
 * [the api](#the-api)
   - [json <-> erlang mapping](#json---erlang-mapping)
-    * [json representation](#json-representation)
-    * [erlang representation](#erlang-representation)
-    * [numbers](#numbers)
-    * [strings](#strings)
-    * [true, false and null](##true-false-and-null)
-    * [arrays](#arrays)
-    * [objects](#objects)
   - [options](#options)
-    * [replaced_bad_utf](#replaced_bad_utf8)
-    * [escaped_forward_slashes](#escaped_forward_slashes)
-    * [single_quoted_strings](#single_quoted_strings)
-    * [unescaped_jsonp](#unescaped_jsonp)
-    * [comments](#comments)
-    * [escaped_strings](#escaped_strings)
-    * [dirty_strings](#dirty_strings)
-    * [ignored_bad_escapes](#ignored_bad_escapes)
-    * [explicit_end](#explicit_end)
-    * [relax](#relax)
-    * [{pre_encode, F}](#pre_encode-f)
   - [incomplete input](#incomplete-input)
   - [the encoder and decoder](##the-encoder-and-decoder)
   - [handler callbacks](#handler-callbacks)