[DOCS] Remove unneeded phrase (#73752)

Author: AndyHunt66

docs/java-rest/high-level/search/field-caps.asciidoc

@@ -7,8 +7,8 @@ The field capabilities API allows for retrieving the capabilities of fields acro
 ==== Field Capabilities Request
 
 A `FieldCapabilitiesRequest` contains a list of fields to get capabilities for,
-should be returned, plus an optional list of target indices. If no indices
-are provided, the request will be executed on all indices.
+plus an optional list of target indices. If no indices are provided, the request
+runs on all indices.
 
 Note that fields parameter supports wildcard notation. For example, providing `text_*`
 will cause all fields that match the expression to be returned.
@@ -79,4 +79,4 @@ include-tagged::{doc-tests}/SearchDocumentationIT.java[field-caps-response]
 <1> A map with entries for the field's possible types, in this case `keyword` and `text`.
 <2> All indices where the `user` field has type `keyword`.
 <3> The subset of these indices where the `user` field isn't searchable, or null if it's always searchable.
-<4> Another subset of these indices where the `user` field isn't aggregatable, or null if it's always aggregatable.
+<4> Another subset of these indices where the `user` field isn't aggregatable, or null if it's always aggregatable.