Unmute elastic#112189 (elastic#129773) (elastic#129784)

This test has been muted for a long time and only seemed to fail on v7
compatability tests. We're unmuting this to see if it's still relevant.

Closes elastic#112189

(cherry picked from commit a230165)

# Conflicts:
#	muted-tests.yml

Author: nielsbauman

muted-tests.yml

@@ -40,9 +40,6 @@ tests:
   - class: org.elasticsearch.xpack.ml.integration.MlJobIT
     method: testDeleteJobAfterMissingIndex
     issue: https://github.com/elastic/elasticsearch/issues/112088
-  - class: org.elasticsearch.smoketest.WatcherYamlRestIT
-    method: test {p0=watcher/usage/10_basic/Test watcher usage stats output}
-    issue: https://github.com/elastic/elasticsearch/issues/112189
   - class: org.elasticsearch.xpack.test.rest.XPackRestIT
     method: test {p0=ml/inference_processor/Test create processor with missing mandatory fields}
     issue: https://github.com/elastic/elasticsearch/issues/112191