fixing minor typos

Author: masseyke

server/src/main/java/org/elasticsearch/ingest/SamplingService.java

@@ -89,7 +89,7 @@ public SamplingService(
     public void maybeSample(ProjectMetadata projectMetadata, IndexRequest indexRequest) {
         maybeSample(projectMetadata, indexRequest.index(), indexRequest, () -> {
             /*
-             * The conditional scripts usd by random sampling work off of IngestDocuments, in the same way conditionals do in pipelines. In
+             * The conditional scripts used by random sampling work off of IngestDocuments, in the same way conditionals do in pipelines. In
              * this case, we did not have an IngestDocument (which happens when there are no pipelines). So we construct one with the same
              * fields as this IndexRequest for use in conditionals. It is created in this lambda to avoid the expensive sourceAsMap call
              * if the condition is never executed.

server/src/test/java/org/elasticsearch/ingest/SamplingServiceRawDocumentTests.java

@@ -48,7 +48,6 @@ protected RawDocument mutateInstance(RawDocument instance) throws IOException {
             case 3 -> xContentType = randomValueOtherThan(xContentType, () -> randomFrom(XContentType.values()));
             default -> throw new IllegalArgumentException("Should never get here");
         }
-        ;
         return new RawDocument(projectId, indexName, source, xContentType);
     }
 }

server/src/test/java/org/elasticsearch/ingest/SamplingServiceSampleStatsTests.java

@@ -73,7 +73,6 @@ protected SampleStats mutateInstance(SampleStats instance) throws IOException {
                 : null;
             default -> throw new IllegalArgumentException("Should never get here");
         }
-        ;
         return mutated;
     }