kselftest/arm64: Remove unused ADRs from irritator handlers

The irritator handlers for the fp-stress test programs all use ADR to load
an address into x0 which is then not referenced. Remove these ADRs as they
just cause confusion.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20241107-arm64-fp-stress-irritator-v2-2-c4b9622e36ee@kernel.org


Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>