Uncomment gocbcore log redaction line

Change-Id: Iee5a963dad9afe51e800650d912ca4e6df2fb456
Reviewed-on: http://review.couchbase.org/115245
Reviewed-by: Brett Lawson <brett19@gmail.com>
Tested-by: Charles Dixon <chvckd@gmail.com>

logging.go

@@ -40,7 +40,7 @@ const (
 // SetLogRedactionLevel specifies the level with which logs should be redacted.
 func SetLogRedactionLevel(level LogRedactLevel) {
 	globalLogRedactionLevel = level
-	// gocbcore.SetLogRedactionLevel(gocbcore.LogRedactLevel(level))
+	gocbcore.SetLogRedactionLevel(gocbcore.LogRedactLevel(level))
 }
 
 // Logger defines a logging interface. You can either use one of the default loggers