tests: remove unnecessary MethodDoesntCallSuperMethod suppressions

after IDEA-168979 having been fixed

java/java-tests/testSrc/com/intellij/project/LoadProjectTest.java

@@ -47,7 +47,6 @@ public class LoadProjectTest extends PlatformTestCase {
     ((ProjectImpl)getProject()).registerComponentImplementation(FileEditorManager.class, FileEditorManagerImpl.class);
   }
 
-  @SuppressWarnings("MethodDoesntCallSuperMethod")
   @Override
   protected void tearDown() throws Exception {
     Project project = getProject();

platform/testFramework/src/com/intellij/testFramework/LightPlatformTestCase.java

@@ -262,7 +262,6 @@ public abstract class LightPlatformTestCase extends UsefulTestCase implements Da
     return ourSourceRoot;
   }
 
-  @SuppressWarnings("MethodDoesntCallSuperMethod")
   @Override
   protected void setUp() throws Exception {
     EdtTestUtil.runInEdtAndWait(() -> {

platform/testFramework/src/com/intellij/testFramework/PlatformTestCase.java

@@ -446,15 +446,10 @@ public abstract class PlatformTestCase extends UsefulTestCase implements DataPro
     }
   }
 
-  @SuppressWarnings("MethodDoesntCallSuperMethod")
   @Override
   protected void tearDown() throws Exception {
     Project project = myProject;
 
-    runTearDownActions(project);
-  }
-
-  private void runTearDownActions(Project project) {
     new RunAll()
       .append(this::disposeRootDisposable)
       .append(() -> {

plugins/devkit/testSources/codeInsight/CreateClassFixTest.java

@@ -83,7 +83,6 @@ public class CreateClassFixTest extends UsefulTestCase {
     }
   }
 
-  @SuppressWarnings("MethodDoesntCallSuperMethod")
   @After
   public void tearDown() throws Exception {
     final Ref<Exception> ex = new Ref<>();