Docs: Remove the note that fielddata doesn't support filtering.

This particular note was about fielddata filtering but could cause confusion
that fields that have doc values enabled cannot be used for filtering (as in
a `filtered_query`).

docs/reference/index-modules/fielddata.asciidoc

@@ -128,7 +128,7 @@ field data format.
 `doc_values`::
     Computes and stores field data data-structures on disk at indexing time.
     Lowers memory usage but only works on non-analyzed strings (`index`: `no` or
-    `not_analyzed`) and doesn't support <<field-data-filtering,filtering>>.
+    `not_analyzed`).
 
 [float]
 ==== Numeric field data types
@@ -138,7 +138,6 @@ field data format.
 
 `doc_values`::
     Computes and stores field data data-structures on disk at indexing time.
-    Doesn't support <<field-data-filtering,filtering>>.
 
 [float]
 ==== Geo point field data types