Updates validation JSON with simplified ratio and target similarity values

data/validation/genEL4_nan_02.json

@@ -1 +1 @@
-{"ratio_top_20_variants": 0.20057306590257878, "log": "genEL4_nan_02", "target_similarity": 0.9992836676217766}
+{"ratio_top_20_variants": 0.2, "log": "genEL4_nan_02", "target_similarity": 1.0}