KVM: SVM: Remove unused MAX_INST_SIZE #define

Remove SVM's MAX_INST_SIZE, which has long since been obsoleted by the
common MAX_INSN_SIZE.  Note, the latter's "insn" is also the generally
preferred abbreviation of instruction.

No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220128005208.4008533-18-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/svm/svm.c

@@ -263,8 +263,6 @@ u32 svm_msrpm_offset(u32 msr)
 	return MSR_INVALID;
 }
 
-#define MAX_INST_SIZE 15
-
 static void svm_flush_tlb_current(struct kvm_vcpu *vcpu);
 
 static int get_npt_level(void)