Minor - Remove all automated tests logging to allow travis-ci to generate short reports correctly

tests/phpunit/phpunit.xml

@@ -7,11 +7,11 @@
       <directory suffix="Test.lib.php">../phpunit/classes</directory>
     </testsuite>
   </testsuites>
-  <logging>
+  <!--logging-->
     <!--log type="coverage-clover" target="../logs/clover.xml"/-->
-    <log type="coverage-html" target="../coverage" title="ChamiloTests"/>
-    <log type="junit" target="../logs/junit.xml" logIncompleteSkipped="false"/>
-  </logging>
+    <!--log type="coverage-html" target="../coverage" title="ChamiloTests"/-->
+    <!--log type="junit" target="../logs/junit.xml" logIncompleteSkipped="false"/-->
+  <!--/logging-->
   <filter>
     <whitelist addUncoveredFilesFromWhitelist="true">
       <directory suffix=".php">../../main/inc</directory>