Remove Sonar

It was not meant to be committed.

Author: acogoluegnes

pom.xml

@@ -233,16 +233,6 @@
 
   <build>
 
-    <pluginManagement>
-      <plugins>
-        <plugin>
-          <groupId>org.sonarsource.scanner.maven</groupId>
-          <artifactId>sonar-maven-plugin</artifactId>
-          <version>3.5.0.1254</version>
-        </plugin>
-      </plugins>
-    </pluginManagement>
-
     <resources>
       <resource>
         <directory>src/main/resources</directory>