[fusl] Remove code for unsupported architectures

fusl/arch/i386/bits/fenv.h

Index: fusl/arch/i386/bits/fenv.h
diff --git a/fusl/arch/i386/bits/fenv.h b/fusl/arch/i386/bits/fenv.h
deleted file mode 100644
index 8cf3b137abafa3efbd09709649f276268c00e049..0000000000000000000000000000000000000000
--- a/fusl/arch/i386/bits/fenv.h
+++ /dev/null
@@ -1,33 +0,0 @@
-#define FE_INVALID 1
-#define __FE_DENORM 2
-#define FE_DIVBYZERO 4
-#define FE_OVERFLOW 8
-#define FE_UNDERFLOW 16
-#define FE_INEXACT 32
-
-#define FE_ALL_EXCEPT 63
-
-#define FE_TONEAREST 0
-#define FE_DOWNWARD 0x400
-#define FE_UPWARD 0x800
-#define FE_TOWARDZERO 0xc00
-
-typedef unsigned short fexcept_t;
-
-typedef struct {
-  unsigned short __control_word;
-  unsigned short __unused1;
-  unsigned short __status_word;
-  unsigned short __unused2;
-  unsigned short __tags;
-  unsigned short __unused3;
-  unsigned int __eip;
-  unsigned short __cs_selector;
-  unsigned int __opcode : 11;
-  unsigned int __unused4 : 5;
-  unsigned int __data_offset;
-  unsigned short __data_selector;
-  unsigned short __unused5;
-} fenv_t;
-
-#define FE_DFL_ENV ((const fenv_t*)-1)