optable-targeting: fix lint issues

Author: BohdanVV

prebid-server/pbs-modules/optable-targeting.md

@@ -278,31 +278,27 @@ mvn clean package --file extra/pom.xml
 ```
 
 {:start="2"}
-
 2. In the `sample/configs/prebid-config-optable.yaml` file specify the `api-endpoint` URL of your DCN, f.e.: 
 
 ```yaml
 api-endpoint: https://example.com/v2/targeting
 ```
 
 {:start="3"}
-
 3. Start server bundle JAR as described in [Running project](https://github.com/prebid/prebid-server-java/blob/master/docs/run.md#running-project), e.g.
 
 ```bash
 java -jar target/prebid-server-bundle.jar --spring.config.additional-location=sample/configs/prebid-config-optable.yaml
 ```
 
 {:start="4"}
-
 4. Run sample request against the server as described in [the sample directory](https://github.com/prebid/prebid-server-java/tree/master/sample), e.g.
 
 ```bash
 curl http://localhost:8080/openrtb2/auction --data @extra/modules/optable-targeting/sample-requests/data.json
 ```
 
 {:start="5"}
-
 5. Observe the `user.ext.eids` and `user.ext.data` objects enriched.
 
 ## Maintainer contacts