Remove the DefaultTest and IBMTest profiles

DefaultTest doesn't do anything. IBMTest refers to some bug that existed
in the IBM JDK 12 years ago, and is likely no longer relevant.
diff --git a/pom.xml b/pom.xml
index 3e4e6de..f522029 100644
--- a/pom.xml
+++ b/pom.xml
@@ -408,51 +408,6 @@
             </build>
         </profile>
         <profile>
-            <id>DefaultTest</id>
-            <activation>
-                <activeByDefault>true</activeByDefault>
-            </activation>
-        </profile>
-        <profile>
-            <id>IBMTest</id>
-            <activation>
-                <property>
-                    <name>java.vendor</name>
-                    <value>IBM Corporation</value>
-                </property>
-            </activation>
-            <dependencies>
-                <dependency>
-                    <groupId>org.apache.bcel</groupId>
-                    <artifactId>bcel</artifactId>
-                    <version>5.2</version>
-                </dependency>
-                <dependency>
-                    <groupId>xalan</groupId>
-                    <artifactId>xalan</artifactId>
-                    <version>2.7.1</version>
-                </dependency>
-            </dependencies>
-            <build>
-                <plugins>
-                    <plugin>
-                        <artifactId>maven-surefire-plugin</artifactId>
-                        <configuration>
-                            <systemPropertyVariables>
-                                <!--
-                                The default xalan TransformerFactory on the ibm jdk is
-                                org.apache.xalan.processor.TransformerFactoryImpl which has a
-                                known issue with implicit namespaces. Set this property to use
-                                the xsltc TransformerFactory (which the sun jdk seems to
-                                default to). -->
-                                <javax.xml.transform.TransformerFactory>org.apache.xalan.xsltc.trax.TransformerFactoryImpl</javax.xml.transform.TransformerFactory>
-                            </systemPropertyVariables>
-                        </configuration>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-        <profile>
             <id>setup.eclipse</id>
             <properties>
                 <eclipse.workspace.dir>${basedir}/../workspace</eclipse.workspace.dir>