Removing the predictions values from git

Author: emersodb

.gitignore

@@ -53,6 +53,9 @@ examples/synthesizing/single_table/results/**
 examples/synthesizing/multi_table/data/**
 examples/synthesizing/multi_table/results/**
 
+# Test artifacts
+tests/integration/attacks/tartan_federer/assets/tabddpm_models/**/challenge_label_predictions.csv
+
 # Training Logs
 *.err
 *.out