Temporarily disable log file writing of sync QC

This reverts commit 314daf5.

Author: davidrohr

DATA/production/qc-sync/qc-global-epn.json

@@ -23,8 +23,7 @@
       },
       "infologger": {
         "filterDiscardDebug": "true",
-        "filterDiscardLevel": "1",
-        "filterDiscardFile": "../../qc-_ID_.log"
+        "filterDiscardLevel": "1"
       }
     }
   }