Move ix-chart to testing train

features_capability.json

@@ -14,9 +14,5 @@
   "definitions/gpuConfiguration": {
     "stable": {"min":  "20.12-ALPHA"},
     "nightlies": {"min":  "20.10-MASTER-somever"}
-  },
-  "validations/persistentVolumeClaims": {
-    "stable": {"min":  "20.12-ALPHA"},
-    "nightlies": {"min":  "20.10-MASTER-somever"}
   }
 }