The remote methog get_jsonstore is not needed any more.

models/plugin_dbui.py

@@ -35,10 +35,6 @@ def getForm(tablename):
 def getGrid(tablename): 
     return cfgSvc.get_grid(tablename)
 
-@directSvc.register
-def getJsonStore(tablename): 
-    return cfgSvc.get_jsonstore(tablename)
-
 @directSvc.register
 def getViewport(): 
     return cfgSvc.get_viewport()