[Build] Inline 'jdk9-or-newer' profile because JDK9+ is now inevitable

eclipse-platform-parent/pom.xml

@@ -138,7 +138,7 @@
     <!-- platform/OS specific JVM args -->
     <surefire.platformSystemProperties></surefire.platformSystemProperties>
     <!-- properties related to Java modules on Java 9+ -->
-    <surefire.moduleProperties></surefire.moduleProperties>
+    <surefire.moduleProperties>--add-modules=ALL-SYSTEM</surefire.moduleProperties>
     <!-- system specific JVM args; if needed provided by system properties to the build command -->
     <surefire.systemProperties></surefire.systemProperties>
     <java.version>17</java.version>
@@ -1106,15 +1106,6 @@
       </properties>
     </profile>
 
-    <profile>
-      <id>jdk9-or-newer</id>
-      <activation>
-        <jdk>[9,)</jdk>
-      </activation>
-      <properties>
-        <surefire.moduleProperties>--add-modules=ALL-SYSTEM</surefire.moduleProperties>
-      </properties>
-    </profile>
     <profile>
         <id>javadoc</id>
         <build>