Remove crap API

python/core/processing/qgsprocessingprovider.sip.in

@@ -204,17 +204,6 @@ Returns the matching algorithm by ``name``, or a None if no matching
 algorithm is contained by this provider.
 
 .. seealso:: :py:func:`algorithms`
-%End
-
-    virtual QgsProcessingParameterDefinition *createParameter( const QString &type, const QString &name ) /Factory/;
-%Docstring
-Returns a new parameter from of the given type and name.
-This should be reimplemented by providers that implement custom types.
-If the provider does not implement the parameter with ``type``, a None will be returned.
-
-By default, this returns a None.
-
-.. versionadded:: 3.2
 %End
 
   signals:

src/core/processing/qgsprocessingprovider.cpp

@@ -74,13 +74,6 @@ const QgsProcessingAlgorithm *QgsProcessingProvider::algorithm( const QString &n
   return mAlgorithms.value( name );
 }
 
-QgsProcessingParameterDefinition *QgsProcessingProvider::createParameter( const QString &type, const QString &name )
-{
-  Q_UNUSED( type )
-  Q_UNUSED( name )
-  return nullptr;
-}
-
 bool QgsProcessingProvider::addAlgorithm( QgsProcessingAlgorithm *algorithm )
 {
   if ( !algorithm )

src/core/processing/qgsprocessingprovider.h

@@ -203,17 +203,6 @@ class CORE_EXPORT QgsProcessingProvider : public QObject
      */
     const QgsProcessingAlgorithm *algorithm( const QString &name ) const;
 
-    /**
-     * Returns a new parameter from of the given type and name.
-     * This should be reimplemented by providers that implement custom types.
-     * If the provider does not implement the parameter with \a type, a nullptr will be returned.
-     *
-     * By default, this returns a nullptr.
-     *
-     * \since QGIS 3.2
-     */
-    virtual QgsProcessingParameterDefinition *createParameter( const QString &type, const QString &name ) SIP_FACTORY;
-
   signals:
 
     /**