Fix docs of the _ignored meta field.

jpountz · jpountz · commit 5991ede9ef6c · 2018-05-02T11:43:50.000+02:00
Relates #29658
diff --git a/docs/reference/mapping/fields.asciidoc b/docs/reference/mapping/fields.asciidoc
@@ -40,9 +40,6 @@ can be customised when a mapping type is created.
 
     All fields in the document which contain non-null values.
 
-[float]
-=== Indexing meta-fields
-
 <<mapping-ignored-field,`_ignored`>>::
 
     All fields in the document that have been ignored at index time because of
