Some definitions in the MIPS asm/kvm_host.h are completely unused, so
lets drop them.
MS_TO_NS is no longer used since commit 
e30492bbe95a ("MIPS: KVM:
Rewrite count/compare timer emulation"). The others don't appear ever to
have been used.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: kvm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11884/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 #define KVM_INVALID_INST               0xdeadbeef
 #define KVM_INVALID_ADDR               0xdeadbeef
 
-#define KVM_MALTA_GUEST_RTC_ADDR       0xb8000070UL
-
-#define GUEST_TICKS_PER_JIFFY          (40000000/HZ)
-#define MS_TO_NS(x)                    (x * 1E6L)
-
 #define CAUSEB_DC                      27
 #define CAUSEF_DC                      (_ULCAST_(1) << 27)