JVM: refactor JvmDefaultMode, remove/rename some entries

- remove ENABLE/COMPATIBILITY because they can no longer be used
- remove forAllMethodsWithBody because its behavior is now equivalent to
  isEnabled
- inline isCompatibility
- inline DEFAULT
- rename ALL_INCOMPATIBLE -> ALL

compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassImpl.kt

@@ -171,7 +171,7 @@ abstract class KtLightClassImpl(
             .filter { it.name != null }
             .mapNotNullTo(result, KtClassOrObject::toLightClass)
 
-        if (classOrObject.hasInterfaceDefaultImpls && jvmDefaultMode != JvmDefaultMode.ALL_INCOMPATIBLE) {
+        if (classOrObject.hasInterfaceDefaultImpls && jvmDefaultMode != JvmDefaultMode.ALL) {
             result.add(createClassForInterfaceDefaultImpls())
         }