Removed completed TODOs.

DG_Approximation.py

@@ -8,9 +8,10 @@ TODO: Adapt TCD from Soraya
     (Dropbox->...->TEST_troubled-cell-detector->Troubled_Cell_Detector)
 TODO: Add verbose output
 TODO: Improve file naming (e.g. use '.' instead of '__')
-TODO: Give option to leave out reconstructions for ANN data -> Done
 TODO: Force input_size for each ANN model to be stencil length
 TODO: Combine ANN workflows
+TODO: Unify use of 'length' and 'len' in naming
+TODO: Add an environment file for Snakemake
 
 Critical, but not urgent:
 TODO: Use cfl_number for updating, not just time
@@ -25,7 +26,6 @@ TODO: Rename files according to standard
 TODO: Outsource scripts into separate directory
 TODO: Allow comparison between ANN training datasets
 TODO: Add a default model state
-TODO: Add an environment file for Snakemake
 
 Not feasible yet or doc-related:
 TODO: Double-check everything! (also with pylint, pytype, pydoc, pycodestyle)