[Docs] Fixes a bug in the rest-client watcher docs related to

cross-link issue.

docs/java-rest/high-level/supported-apis.asciidoc

@@ -335,8 +335,8 @@ include::security/delete-role-mapping.asciidoc[]
 
 The Java High Level REST Client supports the following Watcher APIs:
 
-* <<java-rest-high-watcher-start-watch-service>>
-* <<java-rest-high-watcher-stop-watch-service>>
+* <<{upid}-start-watch-service>>
+* <<{upid}-stop-watch-service>>
 * <<java-rest-high-x-pack-watcher-put-watch>>
 * <<java-rest-high-x-pack-watcher-delete-watch>>
 * <<{upid}-ack-watch>>

docs/java-rest/high-level/watcher/start-watch-service.asciidoc

@@ -9,7 +9,7 @@
 [id="{upid}-{api}-request"]
 ==== Execution
 
-{xpack-ref}/watcher-api-start.html[Start watcher] enables you
+{ref}/watcher-api-start.html[Start watcher] enables you
 to manually start the watch service. Submit the following request
 to start the watch service:
 

docs/java-rest/high-level/watcher/stop-watch-service.asciidoc

@@ -9,7 +9,7 @@
 [[java-rest-high-watcher-stop-watch-service-execution]]
 ==== Execution
 
-{xpack-ref}/watcher-api-stop.html[Stop watcher] enables you
+{ref}/watcher-api-stop.html[Stop watcher] enables you
 to manually stop the watch service. Submit the following request
 to stop the watch service: