[processing] remove nviz algorithm from modeller (fix #9107)

Author: alexbruy

python/plugins/processing/algs/grass/nviz.py

@@ -52,6 +52,10 @@ class nviz(GeoAlgorithm):
     GRASS_REGION_EXTENT_PARAMETER = 'GRASS_REGION_PARAMETER'
     GRASS_REGION_CELLSIZE_PARAMETER = 'GRASS_REGION_CELLSIZE_PARAMETER'
 
+    def __init__(self):
+        GeoAlgorithm.__init__(self)
+        self.showInModeler = False
+
     def getIcon(self):
         return QIcon(os.path.join(pluginPath, 'images', 'grass.png'))
 

python/plugins/processing/algs/grass7/nviz7.py

@@ -52,6 +52,10 @@ class nviz7(GeoAlgorithm):
     GRASS_REGION_EXTENT_PARAMETER = 'GRASS_REGION_PARAMETER'
     GRASS_REGION_CELLSIZE_PARAMETER = 'GRASS_REGION_CELLSIZE_PARAMETER'
 
+    def __init__(self):
+        GeoAlgorithm.__init__(self)
+        self.showInModeler = False
+
     def getIcon(self):
         return QtGui.QIcon(os.path.join(pluginPath, 'images', 'grass.png'))