Remove folder settings. First post-proc without settings.

Still requires an empty dictionary to be defined in the config file

sharpy/postproc/pickledata.py

@@ -19,36 +19,25 @@ class PickleData(BaseSolver):
     This postprocessor writes the SHARPy ``data`` structure in a pickle file, such that classes and
     methods from SHARPy are retained for restarted solutions or further post-processing.
 
+    A pickle is saved to the SHARPy output folder, specified in the settings for SHARPy as ``log_folder``.
+
+    This solver does not have settings, yet it still needs to be included in the `.sharpy` file as an
+    empty dictionary.
     """
     solver_id = 'PickleData'
     solver_classification = 'post-processor'
 
-    settings_types = dict()
-    settings_default = dict()
-    settings_description = dict()
-
-    settings_table = settings.SettingsTable()
-    __doc__ += settings_table.generate(settings_types, settings_default, settings_description)
-
     def __init__(self):
         import sharpy
 
-        self.settings = None
         self.data = None
         self.filename = None
         self.folder = None
         self.caller = None
 
     def initialise(self, data, custom_settings=None, caller=None):
         self.data = data
-        if custom_settings is None:
-            self.settings = data.settings[self.solver_id]
-        else:
-            self.settings = custom_settings
-        settings.to_custom_types(self.settings,
-                                 self.settings_types, self.settings_default)
 
-        # create folder for containing files if necessary
         self.folder = data.output_folder
         self.filename = self.folder + self.data.settings['SHARPy']['case']+'.pkl'
         self.caller = caller