assert True issue

Signed-off-by: Maxwell Brown <[email protected]>

data-prepper-plugins/opensearch/src/main/java/org/opensearch/dataprepper/plugins/sink/opensearch/configuration/OpenSearchSinkConfig.java

@@ -202,15 +202,6 @@ public boolean isNotAwsSigv4AndAwsOption() {
     @Size(min = 1, message = "Region cannot be empty string")
     private String awsRegion = DEFAULT_AWS_REGION;
 
-    @Deprecated
-    @AssertTrue(message = "aws_region option cannot be used along with aws option. It is preferred to only use aws option as aws_region is deprecated.")
-    public boolean isNotAwsRegionAndAwsOption() {
-        if (awsAuthenticationOptions != null && awsRegion != null) {
-            return false;
-        }
-        return true;
-    }
-
     @Deprecated
     @Getter
     @JsonProperty("aws_sts_role_arn")
@@ -302,7 +293,5 @@ public boolean isNotDocumentIdFieldAndDocumentId() {
     @Getter
     @JsonProperty("routing_field")
     private String routingField = null;
-
-
 }