revert (IDEA-152685)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/UnifiedSubstitutorUpInTheHierarchy.java

@@ -0,0 +1,20 @@
+import java.io.Serializable;
+import java.math.BigInteger;
+
+class C extends B<String, BigInteger> {
+  @Override
+  public <S extends String> S save(S entity) {
+    return super.save(entity);
+  }
+}
+
+
+class B<T, ID extends Serializable> implements A<T, ID> {
+  public <S extends T> S save(S entity) {
+    return null;
+  }
+}
+
+interface A<T, ID extends Serializable>  {
+  <S extends T> S save(S var1);
+}