Merge pull request #89 from Cinimex-Informatica/bugfix/issue68_useless_if

issue68 Fixes:#68

Author: sberdyshev

src/main/java/ru/cinimex/exporter/mq/pcf/PCFElement.java

@@ -29,9 +29,6 @@ public PCFElement(String topicString, ArrayList<PCFElementRow> rows) {
         this.topicString = topicString;
         this.rows = rows;
         this.mqObjectRequired = topicString.contains("%s");
-        if (topicString == null) {
-            logger.warn("Topic string is empty: ", this.toString());
-        }
     }