KVM: X86/MMU: Remove unused PT32_DIR_BASE_ADDR_MASK from mmu.c

It is unused.
Signed-off-by: Lai Jiangshan <jiangshan.ljs@antgroup.com>
Message-Id: <20220605063417.308311-3-jiangshanlai@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/mmu/mmu.c

@@ -125,8 +125,6 @@ module_param(dbg, bool, 0644);
 
 
 #define PT32_BASE_ADDR_MASK PAGE_MASK
-#define PT32_DIR_BASE_ADDR_MASK \
-	(PAGE_MASK & ~((1ULL << (PAGE_SHIFT + PT32_LEVEL_BITS)) - 1))
 #define PT32_LVL_ADDR_MASK(level) \
 	(PAGE_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \
 					    * PT32_LEVEL_BITS))) - 1))