powerpc/64: Drop IPI_PRIORITY from asm-offsets

The last use of IPI_PRIORITY in asm was removed in commit 37f55d3
("KVM: PPC: Book3S HV: Convert kvmppc_read_intr to a C function").

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://patch.msgid.link/20241009051701.132282-1-mpe@ellerman.id.au

arch/powerpc/kernel/asm-offsets.c

@@ -596,7 +596,6 @@ int main(void)
 	HSTATE_FIELD(HSTATE_DABR, dabr);
 	HSTATE_FIELD(HSTATE_DECEXP, dec_expires);
 	HSTATE_FIELD(HSTATE_SPLIT_MODE, kvm_split_mode);
-	DEFINE(IPI_PRIORITY, IPI_PRIORITY);
 	OFFSET(KVM_SPLIT_RPR, kvm_split_mode, rpr);
 	OFFSET(KVM_SPLIT_PMMAR, kvm_split_mode, pmmar);
 	OFFSET(KVM_SPLIT_LDBAR, kvm_split_mode, ldbar);