Remove antiquated \since lines in docs.

They aren't useful in the case of QtMultimedia{Kit}

Change-Id: If1b0b6625763c85907fb05beb9c440046472ddef
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

src/multimediawidgets/qvideowidget.cpp

@@ -585,7 +585,6 @@ void QVideoWidgetPrivate::_q_dimensionsChanged()
     produced by a media object.
     \ingroup multimedia
     \inmodule QtMultimedia
-    \since 1.0
 
     \inmodule QtMultimedia
 
@@ -641,7 +640,6 @@ QVideoWidget::~QVideoWidget()
 /*!
     \property QVideoWidget::mediaObject
     \brief the media object which provides the video displayed by a widget.
-    \since 1.0
 */
 
 QMediaObject *QVideoWidget::mediaObject() const
@@ -651,7 +649,6 @@ QMediaObject *QVideoWidget::mediaObject() const
 
 /*!
     \internal
-    \since 1.0
 */
 bool QVideoWidget::setMediaObject(QMediaObject *object)
 {
@@ -697,7 +694,6 @@ bool QVideoWidget::setMediaObject(QMediaObject *object)
 /*!
     \property QVideoWidget::aspectRatioMode
     \brief how video is scaled with respect to its aspect ratio.
-    \since 1.0
 */
 
 Qt::AspectRatioMode QVideoWidget::aspectRatioMode() const
@@ -720,7 +716,6 @@ void QVideoWidget::setAspectRatioMode(Qt::AspectRatioMode mode)
 /*!
     \property QVideoWidget::fullScreen
     \brief whether video display is confined to a window or is fullScreen.
-    \since 1.0
 */
 
 void QVideoWidget::setFullScreen(bool fullScreen)
@@ -746,7 +741,6 @@ void QVideoWidget::setFullScreen(bool fullScreen)
 
     Signals that the \a fullScreen mode of a video widget has changed.
 
-    \since 1.0
     \sa fullScreen
 */
 
@@ -755,7 +749,6 @@ void QVideoWidget::setFullScreen(bool fullScreen)
     \brief an adjustment to the brightness of displayed video.
 
     Valid brightness values range between -100 and 100, the default is 0.
-    \since 1.0
 */
 
 int QVideoWidget::brightness() const
@@ -780,7 +773,6 @@ void QVideoWidget::setBrightness(int brightness)
 
     Signals that a video widgets's \a brightness adjustment has changed.
 
-    \since 1.0
     \sa brightness
 */
 
@@ -790,7 +782,6 @@ void QVideoWidget::setBrightness(int brightness)
 
     Valid contrast values range between -100 and 100, the default is 0.
 
-    \since 1.0
 */
 
 int QVideoWidget::contrast() const
@@ -815,7 +806,6 @@ void QVideoWidget::setContrast(int contrast)
 
     Signals that a video widgets's \a contrast adjustment has changed.
 
-    \since 1.0
     \sa contrast
 */
 
@@ -824,7 +814,6 @@ void QVideoWidget::setContrast(int contrast)
     \brief an adjustment to the hue of displayed video.
 
     Valid hue values range between -100 and 100, the default is 0.
-    \since 1.0
 */
 
 int QVideoWidget::hue() const
@@ -849,7 +838,6 @@ void QVideoWidget::setHue(int hue)
 
     Signals that a video widgets's \a hue has changed.
 
-    \since 1.0
     \sa hue
 */
 
@@ -858,7 +846,6 @@ void QVideoWidget::setHue(int hue)
     \brief an adjustment to the saturation of displayed video.
 
     Valid saturation values range between -100 and 100, the default is 0.
-    \since 1.0
 */
 
 int QVideoWidget::saturation() const
@@ -884,14 +871,12 @@ void QVideoWidget::setSaturation(int saturation)
 
     Signals that a video widgets's \a saturation has changed.
 
-    \since 1.0
     \sa saturation
 */
 
 /*!
   Returns the size hint for the current back end,
   if there is one, or else the size hint from QWidget.
-  \since 1.0
  */
 QSize QVideoWidget::sizeHint() const
 {
@@ -908,7 +893,6 @@ QSize QVideoWidget::sizeHint() const
 /*!
   Current event \a event.
   Returns the value of the baseclass QWidget::event(QEvent *event) function.
-  \since 1.0
 */
 bool QVideoWidget::event(QEvent *event)
 {
@@ -941,7 +925,6 @@ bool QVideoWidget::event(QEvent *event)
 
 /*!
   Handles the show \a event.
-  \since 1.0
  */
 void QVideoWidget::showEvent(QShowEvent *event)
 {
@@ -966,7 +949,6 @@ void QVideoWidget::showEvent(QShowEvent *event)
 /*!
 
   Handles the hide \a event.
-  \since 1.0
 */
 void QVideoWidget::hideEvent(QHideEvent *event)
 {
@@ -980,7 +962,6 @@ void QVideoWidget::hideEvent(QHideEvent *event)
 
 /*!
   Handles the resize \a event.
-  \since 1.0
  */
 void QVideoWidget::resizeEvent(QResizeEvent *event)
 {
@@ -994,7 +975,6 @@ void QVideoWidget::resizeEvent(QResizeEvent *event)
 
 /*!
   Handles the move \a event.
-  \since 1.0
  */
 void QVideoWidget::moveEvent(QMoveEvent *event)
 {
@@ -1006,7 +986,6 @@ void QVideoWidget::moveEvent(QMoveEvent *event)
 
 /*!
   Handles the paint \a event.
-  \since 1.0
  */
 void QVideoWidget::paintEvent(QPaintEvent *event)
 {
@@ -1026,7 +1005,6 @@ void QVideoWidget::paintEvent(QPaintEvent *event)
 /*!
     \reimp
     \internal
-    \since 1.1
 */
 bool QVideoWidget::winEvent(MSG *message, long *result)
 {