Delete auxiliary files after ADGA calculation

adga.py

@@ -31,7 +31,6 @@ class Adga(object):
         self._executable = adga_root_path + "/bin/abinitiodga"
         self._symmetrize_script = adga_root_path + "/scripts/symmetrize.py"
 
-        # TODO: Delete auxiliary files when finished
         # Generate a unique id for the names of the auxiliary files.
         # Together with a unique copy of the config file, this allows to
         # run multiple jackknives at once.
@@ -75,6 +74,14 @@ class Adga(object):
                   file containing the 2-particle Green's function!""")
             raise
 
+    def __del__(self):
+        """Delete all auxiliary files created during the calculation."""
+
+        os.remove(self._output_file_name)
+        os.remove(self._g4iw_file.filename)
+        os.remove(self._symmetry_file_name)
+        os.remove(self._config_file_name)
+
     @property
     def n_qmc_measurements(self):
         return self._n_qmc_measurements