* Port branches to ISLE (AArch64)
Ported the existing implementations of the following opcodes for AArch64
to ISLE:
- `Brz`
- `Brnz`
- `Brif`
- `Brff`
- `BrIcmp`
- `Jump`
- `BrTable`
Copyright (c) 2022 Arm Limited
* Remove dead code
Copyright (c) 2022 Arm Limited