arm64: perf: Remove unused macro

ARMV8_EVENT_ATTR_RESOLVE became unused after commit <4b1a9e69

>
("arm64/perf: Filter common events based on PMCEIDn_EL0").

Remove it.

Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Will Deacon <will@kernel.org>