[WIP] Update Tycho extraRequirements for JUnit 5 (#200)

Author: Copilot

pom.xml

@@ -217,16 +217,6 @@
       <id>org.junit.platform.engine</id>
       <versionRange>0.0.0</versionRange>
     </requirement>
-    <requirement>
-      <type>eclipse-plugin</type>
-      <id>org.junit.platform.launcher</id>
-      <versionRange>0.0.0</versionRange>
-    </requirement>
-    <requirement>
-      <type>eclipse-plugin</type>
-      <id>org.junit.platform.suite.api</id>
-      <versionRange>0.0.0</versionRange>
-    </requirement>
     <requirement>
       <type>eclipse-plugin</type>
       <id>org.opentest4j</id>