Fix wrong Javadoc in RemoveAd (#10)

Author: fiboknacky

google-ads-examples/src/main/java/com/google/ads/googleads/examples/basicoperations/RemoveAd.java

@@ -90,7 +90,7 @@ public static void main(String[] args) {
    * @param googleAdsClient the Google Ads API client.
    * @param customerId the client customer ID.
    * @param adGroupId the ad group ID.
-   * @param adId the ID of the ad to pause.
+   * @param adId the ID of the ad to remove.
    * @throws GoogleAdsException if an API request failed with one or more service errors.
    */
   private void runExample(