Removed some lines for caustics that turned fake caustics off when photons...

Removed some lines for caustics that turned fake caustics off when photons were on, thereby changing the scene data, which is to be avoided. It seems P.O.V.ray takes care of the override all by itself so the lines were useless anyway.  

render_povray/render.py

@@ -188,14 +188,9 @@ def write_pov(filename, scene=None, info_callback=None):
             if material.pov_caustics_enable:
                 if material.pov_fake_caustics:
                     file.write('\tcaustics %.3g\n' % material.pov_fake_caustics_power)
-                    #material.pov_photons_refraction=0
                 if material.pov_photons_refraction:
-                    material.pov_fake_caustics=0 #How to deactivate fake caustics when refr photons on?
-
                     file.write('\tdispersion %.3g\n' % material.pov_photons_dispersion) #Default of 1 means no dispersion
-                    
-                #bpy.types.MATERIAL_PT_povray_caustics.Display = 1 - bpy.types.MATERIAL_PT_povray_caustics.Display
-        #mat = context.material
+            #TODO        
             # Other interior args
             # fade_distance 2
             # fade_power [Value]