[ML] Re-enable tests muted in #30982

Author: davidkyle

x-pack/qa/rolling-upgrade/src/test/resources/rest-api-spec/test/mixed_cluster/30_ml_jobs_crud.yml

@@ -1,8 +1,5 @@
 ---
 "Test get old cluster job":
-  - skip:
-      version: "all"
-      reason: "@AwaitsFix: https://github.com/elastic/elasticsearch/issues/30982"
   - do:
       xpack.ml.get_jobs:
         job_id: old-cluster-job

x-pack/qa/rolling-upgrade/src/test/resources/rest-api-spec/test/upgraded_cluster/30_ml_jobs_crud.yml

@@ -8,9 +8,6 @@ setup:
 
 ---
 "Test open old jobs":
-  - skip:
-      version: "all"
-      reason: "@AwaitsFix: https://github.com/elastic/elasticsearch/issues/30982"
   - do:
       xpack.ml.open_job:
         job_id: old-cluster-job
@@ -77,9 +74,6 @@ setup:
 
 ---
 "Test job with no model memory limit has established model memory after reopening":
-  - skip:
-      version: "all"
-      reason: "@AwaitsFix: https://github.com/elastic/elasticsearch/issues/30982"
   - do:
       xpack.ml.open_job:
         job_id: no-model-memory-limit-job