[fusl] Remove code for unsupported architectures

fusl/arch/mips/bits/sem.h

Index: fusl/arch/mips/bits/sem.h
diff --git a/fusl/arch/mips/bits/sem.h b/fusl/arch/mips/bits/sem.h
deleted file mode 100644
index db4102f83023211b716421a68c403e910764b67f..0000000000000000000000000000000000000000
--- a/fusl/arch/mips/bits/sem.h
+++ /dev/null
@@ -1,14 +0,0 @@
-struct semid_ds {
-  struct ipc_perm sem_perm;
-  time_t sem_otime;
-  time_t sem_ctime;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-  unsigned short sem_nsems;
-  char __sem_nsems_pad[sizeof(time_t) - sizeof(short)];
-#else
-  char __sem_nsems_pad[sizeof(time_t) - sizeof(short)];
-  unsigned short sem_nsems;
-#endif
-  time_t __unused3;
-  time_t __unused4;
-};