removed two read_csv lines that are not necessary

Regression_analysis/scripts/5f-cross_validation_linear.py

@@ -42,10 +42,6 @@ cor_p_train = []
 cor_p_val = []
 df_jass_all = pd.DataFrame()
 for i in [2,3,4,5,6]:
-    # run once to compute and save trait-set-level features
-    df_jass_training.to_csv('../inputs/traitset_jass_CVtraining{}-newSUMMARY_remove-nan.tsv'.format(i),sep='\t')
-    df_jass_test.to_csv('../inputs/traitset_jass_CVtest{}-newSUMMARY_remove-nan.tsv'.format(i),sep='\t')
-    
     # read the saved files
     df_jass_training = pd.read_csv('../inputs/traitset_jass_CVtraining{}-newSUMMARY_remove-nan.tsv'.format(i),delimiter='\t')
     df_jass_test = pd.read_csv('../inputs/traitset_jass_CVtest{}-newSUMMARY_remove-nan.tsv'.format(i),delimiter='\t')