Removing oauth_token from request header in Scribe
public class TestImporter {

  private static final String REQ_URL   = "http://test.com/";

  private static final String KEY         = "KEY";
  private static final String SECRET      = "SECRET";

  // test variables
  private static final String VAR1        = "Test123";

  public static void main(String[] args) {

    OAuthService service = new ServiceBuilder()
                               .provider(TestAPI.class)
                               .apiKey(KEY)
                               .apiSecret(SECRET)
                               .build();
    Token token = new Token("", "");
    OAuthRequest request = new OAuthRequest(Verb.GET, REQ_URL + VAR1 + "/");
    service.signRequest(token, request);
    Response response = request.send();
    System.out.println(response.getBody());

  }

}

ServiceBuilder()
  .provider(TestAPI.class)
  .apiKey(KEY)
  .apiSecret(SECRET)
  .signatureType(SignatureType.QueryString)
  .build();