Drop the config keys konfai 1.8 no longer reads

images_log, Dataset.filter, Dataset.use_cache, Dataset.Patch.mask,
OutputDataset.inverse_transform, Predictor.Concat, the Evaluator's
is_input/patch_transforms and StepLR's verbose: nothing binds them
since konfai 1.8.2, so every run printed an unknown-key warning.

Found by building each workflow file and reading strict_config's
report; each edit checked to parse to the old tree minus those keys.
The ImpactSynth MR sCT on a test case is bit-identical before and after.

body/Prediction.yml

@@ -33,14 +33,11 @@ Predictor:
       - 192
       - 192
       overlap: None
-      mask: None
       pad_value: -2
       extend_slice: 4
     subset: None
-    filter: None
     dataset_filenames:
     - ./Dataset/:mha
-    use_cache: false
     batch_size: 32
     num_workers: None
     pin_memory: false
@@ -64,13 +61,11 @@ Predictor:
         group: Output
         same_as_group: Volume_0:Volume
         patch_combine: None
-        inverse_transform: true
         reduction: Mean
         Mean: {}
   train_name: ImpactSeg-Body
   manual_seed: 42
   gpu_checkpoints: None
-  images_log: None
   combine: Mean
   autocast: false
   data_log: None