Remove not allowed attributs from phpunit.xml.dist

Author: tvbeek

phpunit.xml.dist

@@ -22,7 +22,7 @@
     <logging>
         <log type="tap" target="build/report.tap"/>
         <log type="junit" target="build/report.junit.xml"/>
-        <log type="coverage-html" target="build/coverage" charset="UTF-8" yui="true" highlight="true"/>
+        <log type="coverage-html" target="build/coverage"/>
         <log type="coverage-text" target="build/coverage.txt"/>
         <log type="coverage-clover" target="build/logs/clover.xml"/>
     </logging>