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();