The `RuntimeHints` API mainly reflects what is needed to write GraalVM
reachability metadata. The latest GraalVM version simplified its
format. This commit applies relevant simplifications as parts of it are
not needed anymore.
The new metadata format implies methods, constructors and fields
introspection as soon as a reflection hint is registered for a type. As
a result, `ExecutableMode.INTROSPECT`, and all `MemberCategory` values
except `MemberCategory.INVOKE_*` are being deprecated.
They have no replacement, as registering a type hint is enough.
In practice, it is enough to replace this:
```
hints.reflection().registerType(MyType.class, MemberCategory.DECLARED_FIELDS);
```
By this:
```
hints.reflection().registerType(MyType.class);
```
As for `MemberCategory.PUBLIC_FIELDS` and `MemberCategory.DECLARED_FIELDS`,
values were replaced by `INVOKE_PUBLIC_FIELDS` and
`INVOKE_DECLARED_FIELDS` to make their original intent clearer and align
with the rest of the API. Note, if you were using those values for
reflection only, you can safely remove those hints in favor of a simple
type hint.
See gh-33847
71362c953c