Move getParametersPanel out of algorithm class

It's a gui related method, so shouldn't be in core class

python/plugins/processing/core/GeoAlgorithm.py

@@ -41,7 +41,6 @@
 
 from builtins import str
 from builtins import object
-from processing.gui.ParametersPanel import ParametersPanel
 from processing.core.ProcessingConfig import ProcessingConfig
 from processing.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
 from processing.core.parameters import ParameterRaster, ParameterVector, ParameterMultipleInput, ParameterTable, Parameter
@@ -90,9 +89,6 @@ def defineCharacteristics(self):
         """
         pass
 
-    def getParametersPanel(self, parent):
-        return ParametersPanel(parent, self)
-
     def getCustomModelerParametersDialog(self, modelAlg, algName=None):
         """If the algorithm has a custom parameters dialog when called
         from the modeler, it should be returned here, ready to be

python/plugins/processing/gui/AlgorithmDialog.py

@@ -38,6 +38,7 @@
 from processing.core.ProcessingLog import ProcessingLog
 from processing.core.ProcessingConfig import ProcessingConfig
 
+from processing.gui.ParametersPanel import ParametersPanel
 from processing.gui.BatchAlgorithmDialog import BatchAlgorithmDialog
 from processing.gui.AlgorithmDialogBase import AlgorithmDialogBase
 from processing.gui.AlgorithmExecutor import execute, executeIterating
@@ -62,7 +63,7 @@ def __init__(self, alg):
 
         self.alg = alg
 
-        self.setMainWidget(alg.getParametersPanel(self))
+        self.setMainWidget(self.getParametersPanel(alg, self))
 
         self.bar = QgsMessageBar()
         self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
@@ -78,6 +79,9 @@ def __init__(self, alg):
         self.cornerWidget.setLayout(layout)
         self.tabWidget.setCornerWidget(self.cornerWidget)
 
+    def getParametersPanel(self, alg, parent):
+        return ParametersPanel(parent, alg)
+
     def runAsBatch(self):
         self.close()
         dlg = BatchAlgorithmDialog(self.alg)