[fusl] Remove code for unsupported architectures

fusl/arch/powerpc/bits/mman.h

Index: fusl/arch/powerpc/bits/mman.h
diff --git a/fusl/arch/powerpc/bits/mman.h b/fusl/arch/powerpc/bits/mman.h
deleted file mode 100644
index 45d077b01923d287505ac6dc3b6c5fa7afed7790..0000000000000000000000000000000000000000
--- a/fusl/arch/powerpc/bits/mman.h
+++ /dev/null
@@ -1,60 +0,0 @@
-#define MAP_FAILED ((void*)-1)
-
-#define PROT_NONE 0
-#define PROT_READ 1
-#define PROT_WRITE 2
-#define PROT_EXEC 4
-#define PROT_SAO 0x10
-#define PROT_GROWSDOWN 0x01000000
-#define PROT_GROWSUP 0x02000000
-
-#define MAP_SHARED 0x01
-#define MAP_PRIVATE 0x02
-#define MAP_FIXED 0x10
-
-#define MAP_TYPE 0x0f
-#define MAP_FILE 0x00
-#define MAP_ANON 0x20
-#define MAP_ANONYMOUS MAP_ANON
-#define MAP_NORESERVE 0x40
-#define MAP_GROWSDOWN 0x0100
-#define MAP_DENYWRITE 0x0800
-#define MAP_EXECUTABLE 0x1000
-#define MAP_LOCKED 0x80
-#define MAP_POPULATE 0x8000
-#define MAP_NONBLOCK 0x10000
-#define MAP_STACK 0x20000
-#define MAP_HUGETLB 0x40000
-
-#define POSIX_MADV_NORMAL 0
-#define POSIX_MADV_RANDOM 1
-#define POSIX_MADV_SEQUENTIAL 2
-#define POSIX_MADV_WILLNEED 3
-#define POSIX_MADV_DONTNEED 0
-
-#define MS_ASYNC 1
-#define MS_INVALIDATE 2
-#define MS_SYNC 4
-
-#define MCL_CURRENT 0x2000
-#define MCL_FUTURE 0x4000
-#define MCL_ONFAULT 0x8000
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define MADV_NORMAL 0
-#define MADV_RANDOM 1
-#define MADV_SEQUENTIAL 2
-#define MADV_WILLNEED 3
-#define MADV_DONTNEED 4
-#define MADV_REMOVE 9
-#define MADV_DONTFORK 10
-#define MADV_DOFORK 11
-#define MADV_MERGEABLE 12
-#define MADV_UNMERGEABLE 13
-#define MADV_HUGEPAGE 14
-#define MADV_NOHUGEPAGE 15
-#define MADV_DONTDUMP 16
-#define MADV_DODUMP 17
-#define MADV_HWPOISON 100
-#define MADV_SOFT_OFFLINE 101
-#endif