Removed jdt (#10587)

Signed-off-by: Thomas Mäder <tmader@redhat.com>

plugins/plugin-java-debugger/che-plugin-java-debugger-server/pom.xml

@@ -118,11 +118,6 @@
             <artifactId>org.eclipse.core.resources</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.eclipse.che.plugin</groupId>
-            <artifactId>org.eclipse.jdt.ui</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>hamcrest-core</artifactId>

plugins/plugin-java-debugger/che-plugin-java-debugger-server/src/test/java/org/eclipse/che/plugin/jdb/server/util/ProjectApiUtils.java

@@ -40,8 +40,6 @@
 import org.eclipse.che.api.watcher.server.FileWatcherApiModule;
 import org.eclipse.che.plugin.java.server.inject.JavaModule;
 import org.eclipse.core.resources.ResourcesPlugin;
-import org.eclipse.jdt.internal.core.JavaModelManager;
-import org.eclipse.jdt.internal.ui.JavaPlugin;
 import org.mockito.Mockito;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -153,11 +151,5 @@ protected void configure() {
             () -> pathTransformer,
             () -> fsManager);
     resourcesPlugin.start();
-
-    JavaPlugin javaPlugin =
-        new JavaPlugin(root.getAbsolutePath() + "/.settings", resourcesPlugin, projectManager);
-    javaPlugin.start();
-
-    JavaModelManager.getDeltaState().initializeRoots(true);
   }
 }