core/vm: Make INVALID a defined opcode (#24017)
* core/vm: Define 0xfe opcode as INVALID
* core/vm: Remove opInvalid as opUndefined handles it
Co-authored-by: Alex Beregszaszi <alex@rtfs.hu>
Co-authored-by: Andrei Maiboroda <andrei@ethereum.org>
Co-authored-by: Alex Beregszaszi <alex@rtfs.hu>