remove empty lines

Author: Cecile Terpin

internal-api/src/main/java/datadog/trace/api/Config.java

@@ -599,14 +599,12 @@ public static String getHostName() {
   private final String runtimeVersion;
 
   private final String applicationKey;
-
   /**
    * Note: this has effect only on profiling site. Traces are sent to Datadog agent and are not
    * affected by this setting. If CI Visibility is used with agentless mode, api key is used when
    * sending data (including traces) to backend
    */
   private final String apiKey;
-
   /**
    * Note: this has effect only on profiling site. Traces are sent to Datadog agent and are not
    * affected by this setting.