target/i386/kvm: Drop workaround for KVM_X86_DISABLE_EXITS_HTL typo

The KVM_X86_DISABLE_EXITS_HTL typo has been fixed in commit
77d361b ("linux-headers: Update to kernel mainline commit
b357bf602").

Drop the related workaround.

Signed-off-by: Zhao Liu <[email protected]>
Reviewed-by: Zide Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Bonzini <[email protected]>

Author: trueptolemy

target/i386/kvm/kvm.c

@@ -3100,10 +3100,7 @@ static int kvm_vm_set_tss_addr(KVMState *s, uint64_t tss_base)
 static int kvm_vm_enable_disable_exits(KVMState *s)
 {
     int disable_exits = kvm_check_extension(s, KVM_CAP_X86_DISABLE_EXITS);
-/* Work around for kernel header with a typo. TODO: fix header and drop. */
-#if defined(KVM_X86_DISABLE_EXITS_HTL) && !defined(KVM_X86_DISABLE_EXITS_HLT)
-#define KVM_X86_DISABLE_EXITS_HLT KVM_X86_DISABLE_EXITS_HTL
-#endif
+
     if (disable_exits) {
         disable_exits &= (KVM_X86_DISABLE_EXITS_MWAIT |
                           KVM_X86_DISABLE_EXITS_HLT |