Remove color map sort button, as it is now always automatically sorted

Author: pierstitus

src/gui/raster/qgssinglebandpseudocolorrendererwidget.cpp

@@ -250,11 +250,6 @@ void QgsSingleBandPseudoColorRendererWidget::on_mNumberOfEntriesSpinBox_valueCha
 {
 }
 
-void QgsSingleBandPseudoColorRendererWidget::on_mSortButton_clicked()
-{
-  mColormapTreeWidget->sortItems( 0, Qt::AscendingOrder );
-}
-
 void QgsSingleBandPseudoColorRendererWidget::on_mClassifyButton_clicked()
 {
   int bandComboIndex = mBandComboBox->currentIndex();

src/gui/raster/qgssinglebandpseudocolorrendererwidget.h

@@ -53,7 +53,6 @@ class GUI_EXPORT QgsSingleBandPseudoColorRendererWidget: public QgsRasterRendere
     void on_mAddEntryButton_clicked();
     void on_mDeleteEntryButton_clicked();
     void on_mNumberOfEntriesSpinBox_valueChanged();
-    void on_mSortButton_clicked();
     void on_mClassifyButton_clicked();
     void on_mLoadFromBandButton_clicked();
     void on_mLoadFromFileButton_clicked();

src/ui/qgssinglebandpseudocolorrendererwidgetbase.ui

@@ -239,20 +239,6 @@
        </property>
       </widget>
      </item>
-     <item>
-      <widget class="QToolButton" name="mSortButton">
-       <property name="toolTip">
-        <string>Sort colormap items</string>
-       </property>
-       <property name="text">
-        <string>...</string>
-       </property>
-       <property name="icon">
-        <iconset resource="../../images/images.qrc">
-         <normaloff>:/images/themes/default/mActionArrowDown.png</normaloff>:/images/themes/default/mActionArrowDown.png</iconset>
-       </property>
-      </widget>
-     </item>
      <item>
       <widget class="QToolButton" name="mLoadFromBandButton">
        <property name="toolTip">