Remove unnecessary surefire configuration, to get code coverage to work

pom.xml

@@ -89,37 +89,6 @@ org.xml.sax, org.xml.sax.ext, org.xml.sax.helpers</osgi.import>
 
   <build>
     <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-surefire-plugin</artifactId>
-        <configuration>
-          <includes>
-            <include>**/Test*.java</include>
-            <include>**/*Test.java</include>
-          </includes>
-          <excludes>
-            <exclude>**/Base*</exclude>
-            <exclude>**/*$*</exclude>
-	        <exclude>failing/*.java</exclude>
-          </excludes>
-          <reportFormat>${surefire.format}</reportFormat>
-          <useFile>${surefire.usefile}</useFile>
-          <forkMode>${surefire.fork.mode}</forkMode>
-          <childDelegation>false</childDelegation>
-          <argLine>${surefire.fork.vmargs}</argLine>
-          <systemProperties>
-            <property>
-              <name>java.awt.headless</name>
-              <value>${java.awt.headless}</value>
-            </property>
-            <property>
-              <name>surefire.fork.vmargs</name>
-              <value>${surefire.fork.vmargs}</value>
-            </property>
-          </systemProperties>
-        </configuration>
-      </plugin>
-
       <!--  04-Mar-2019, tatu: Add rudimentary JDK9+ module info. To build with JDK 8
              will have to use `moduleInfoFile` which is not optimal but anything else
             requires  JDK 9+.