Remove _all example
Since the `_all` is now deprecated and removed, this example in the
highlight docs is irrelevant and confusing.
Note, there are many references to the `_all` field in this doc, some
will require a rewrite of the examples so I didn't go into doing that.
@@ -485,32 +485,6 @@ GET /_search
// CONSOLE
// TEST[setup:twitter]
-
-[[highlight-all]]
-[float]
-=== Highlight in all fields
-
-By default, only fields that contains a query match are highlighted. Set
-`require_field_match` to `false` to highlight all fields.
-
-[source,js]
---------------------------------------------------
-GET /_search
-{
- "query" : {
- "match": { "user": "kimchy" }
- },
- "highlight" : {
- "require_field_match": false,
- "fields": {
- "_all" : { "pre_tags" : ["<em>"], "post_tags" : ["</em>"] }
- }
- }
-}
---------------------------------------------------
-// CONSOLE
-// TEST[setup:twitter]
-
[[matched-fields]]
[float]
=== Combine matches on multiple fields
