Remove chkpii tests from jdt.ui.tests

It's a proprietary tool so can't be used by the build and the tests have
not been run at all.

org.eclipse.jdt.ui.tests/.classpath

@@ -31,10 +31,5 @@
 			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="src" path="chkpii">
-		<attributes>
-			<attribute name="test" value="true"/>
-		</attributes>
-	</classpathentry>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

org.eclipse.jdt.ui.tests/META-INF/MANIFEST.MF

@@ -22,7 +22,6 @@ Export-Package:
  org.eclipse.jdt.ui.tests.browsing;x-friends:="org.eclipse.jdt.ui.tests.refactoring, org.eclipse.jdt.text.tests",
  org.eclipse.jdt.ui.tests.buildpath;x-friends:="org.eclipse.jdt.ui.tests.refactoring, org.eclipse.jdt.text.tests",
  org.eclipse.jdt.ui.tests.callhierarchy;x-friends:="org.eclipse.jdt.ui.tests.refactoring, org.eclipse.jdt.text.tests",
- org.eclipse.jdt.ui.tests.chkpii;x-friends:="org.eclipse.jdt.ui.tests.refactoring, org.eclipse.jdt.text.tests",
  org.eclipse.jdt.ui.tests.core;x-friends:="org.eclipse.jdt.ui.tests.refactoring, org.eclipse.jdt.text.tests",
  org.eclipse.jdt.ui.tests.core.rules;x-friends:="org.eclipse.jdt.ui.tests.refactoring, org.eclipse.jdt.text.tests",
  org.eclipse.jdt.ui.tests.core.source;x-friends:="org.eclipse.jdt.ui.tests.refactoring, org.eclipse.jdt.text.tests",

org.eclipse.jdt.ui.tests/build.properties

@@ -20,7 +20,6 @@ bin.includes = plugin.xml,\
                plugin.properties,\
                lib/org.eclipse.jdt.annotation_1.2.100.v20241001-0914.jar
 source.. =  examples/,\
-            chkpii/,\
             test plugin/,\
             ui/,\
             leaks/,\