KT-11030 Remove tests for diagnostics for local classes in JS backend

compiler/testData/diagnostics/testsWithJsStdLib/unsupportedFeatures/localClassifier.kt

@@ -1,14 +0,0 @@
-fun foo() {
-    <!NON_TOPLEVEL_CLASS_DECLARATION!>class A<!> {
-        inner <!NON_TOPLEVEL_CLASS_DECLARATION!>class E<!> {
-            <!NESTED_CLASS_NOT_ALLOWED, NON_TOPLEVEL_CLASS_DECLARATION!>interface T<!>
-        }
-    }
-
-    <!LOCAL_INTERFACE_NOT_ALLOWED, NON_TOPLEVEL_CLASS_DECLARATION!>interface T<!> {
-    }
-
-    object {
-        inner <!NON_TOPLEVEL_CLASS_DECLARATION!>class B<!>
-    }
-}

compiler/testData/diagnostics/testsWithJsStdLib/unsupportedFeatures/localClassifier.txt

@@ -1,3 +0,0 @@
-package
-
-public fun foo(): kotlin.Unit

compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestWithJsStdLibGenerated.java

@@ -571,19 +571,4 @@ public class DiagnosticsTestWithJsStdLibGenerated extends AbstractDiagnosticsTes
             }
         }
     }
-
-    @TestMetadata("compiler/testData/diagnostics/testsWithJsStdLib/unsupportedFeatures")
-    @TestDataPath("$PROJECT_ROOT")
-    @RunWith(JUnit3RunnerWithInners.class)
-    public static class UnsupportedFeatures extends AbstractDiagnosticsTestWithJsStdLib {
-        public void testAllFilesPresentInUnsupportedFeatures() throws Exception {
-            KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/diagnostics/testsWithJsStdLib/unsupportedFeatures"), Pattern.compile("^(.+)\\.kt$"), true);
-        }
-
-        @TestMetadata("localClassifier.kt")
-        public void testLocalClassifier() throws Exception {
-            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/testsWithJsStdLib/unsupportedFeatures/localClassifier.kt");
-            doTest(fileName);
-        }
-    }
 }