remove setReloadTime because it's not used anymore

cherry-picked from 8a22667

Author: signedav

python/core/auto_generated/qgsfeaturefiltermodel.sip.in

@@ -145,11 +145,6 @@ Add a NULL entry to the list.
     void setAllowNull( bool allowNull );
 %Docstring
 Add a NULL entry to the list.
-%End
-
-    void setReloadTimerInterval( int interval );
-%Docstring
-Set the model reload timer interval in milliseconds
 %End
 
   signals:

src/core/qgsfeaturefiltermodel.cpp

@@ -549,8 +549,3 @@ void QgsFeatureFilterModel::setExtraIdentifierValue( const QVariant &extraIdenti
 
   emit extraIdentifierValueChanged();
 }
-
-void QgsFeatureFilterModel::setReloadTimerInterval( int interval )
-{
-  mReloadTimer.setInterval( interval );
-}

src/core/qgsfeaturefiltermodel.h

@@ -178,11 +178,6 @@ class CORE_EXPORT QgsFeatureFilterModel : public QAbstractItemModel
      */
     void setAllowNull( bool allowNull );
 
-    /**
-     * Set the model reload timer interval in milliseconds
-     */
-    void setReloadTimerInterval( int interval );
-
   signals:
 
     /**

src/gui/qgsfeaturelistcombobox.cpp

@@ -33,7 +33,6 @@ QgsFeatureListComboBox::QgsFeatureListComboBox( QWidget *parent )
   mCompleter->setFilterMode( Qt::MatchContains );
   setCompleter( mCompleter );
   mCompleter->setWidget( this );
-  mModel->setReloadTimerInterval( 1000 );
   connect( mModel, &QgsFeatureFilterModel::sourceLayerChanged, this, &QgsFeatureListComboBox::sourceLayerChanged );
   connect( mModel, &QgsFeatureFilterModel::displayExpressionChanged, this, &QgsFeatureListComboBox::displayExpressionChanged );
   connect( mModel, &QgsFeatureFilterModel::filterExpressionChanged, this, &QgsFeatureListComboBox::filterExpressionChanged );