rsslisting example: remove unused include and surplus blank lines

Pick-to: 6.5
Task-number: QTBUG-111228
Change-Id: Ibfa82aef67eaf6ba758dade30a4c9542f2836123
Reviewed-by: Mate Barany <mate.barany@qt.io>
Reviewed-by: Ievgenii Meshcheriakov <ievgenii.meshcheriakov@qt.io>

examples/corelib/serialization/rsslisting/rsslisting.cpp

@@ -23,7 +23,6 @@ its operation, and also allows very large data sources to be read.
 
 #include "rsslisting.h"
 
-
 /*
     Constructs an RSSListing widget with a simple user interface, and sets
     up the XML reader to use a custom handler class.
@@ -58,7 +57,6 @@ RSSListing::RSSListing(QWidget *parent)
     connect(fetchButton, &QPushButton::clicked, this, &RSSListing::fetch);
 
     QVBoxLayout *layout = new QVBoxLayout(this);
-
     QHBoxLayout *hboxLayout = new QHBoxLayout;
 
     hboxLayout->addWidget(lineEdit);
@@ -158,7 +156,6 @@ void RSSListing::finished(QNetworkReply *reply)
     fetchButton->setEnabled(true);
 }
 
-
 /*
     Parses the XML data and creates treeWidget items accordingly.
 */
@@ -181,7 +178,6 @@ void RSSListing::parseXml()
                 titleString.clear();
                 linkString.clear();
             }
-
         } else if (xml.isCharacters() && !xml.isWhitespace()) {
             if (currentTag == "title")
                 titleString += xml.text();

examples/corelib/serialization/rsslisting/rsslisting.h

@@ -7,7 +7,6 @@
 #include <QNetworkAccessManager>
 #include <QNetworkReply>
 #include <QWidget>
-#include <QBuffer>
 #include <QXmlStreamReader>
 #include <QUrl>
 
@@ -48,8 +47,6 @@ private:
     QLineEdit *lineEdit;
     QTreeWidget *treeWidget;
     QPushButton *fetchButton;
-
 };
 
 #endif
-