[PATCH] remove old double fault handler

Removes the now unused trap handler for double faults.  Also removes the
never used handler for fpu not available.

arch/i386/kernel/entry.S

@@ -500,10 +500,6 @@ ENTRY(coprocessor_segment_overrun)
 	pushl $do_coprocessor_segment_overrun
 	jmp error_code
 
-ENTRY(double_fault)
-	pushl $do_double_fault
-	jmp error_code
-
 ENTRY(invalid_TSS)
 	pushl $do_invalid_TSS
 	jmp error_code

arch/i386/kernel/traps.c

@@ -73,7 +73,6 @@ asmlinkage void overflow(void);
 asmlinkage void bounds(void);
 asmlinkage void invalid_op(void);
 asmlinkage void device_not_available(void);
-asmlinkage void double_fault(void);
 asmlinkage void coprocessor_segment_overrun(void);
 asmlinkage void invalid_TSS(void);
 asmlinkage void segment_not_present(void);
@@ -349,8 +348,6 @@ DO_VM86_ERROR( 3, SIGTRAP, "int3", int3)
 DO_VM86_ERROR( 4, SIGSEGV, "overflow", overflow)
 DO_VM86_ERROR( 5, SIGSEGV, "bounds", bounds)
 DO_ERROR_INFO( 6, SIGILL,  "invalid operand", invalid_op, ILL_ILLOPN, regs->eip)
-DO_VM86_ERROR( 7, SIGSEGV, "device not available", device_not_available)
-DO_ERROR( 8, SIGSEGV, "double fault", double_fault)
 DO_ERROR( 9, SIGFPE,  "coprocessor segment overrun", coprocessor_segment_overrun)
 DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)
 DO_ERROR(11, SIGBUS,  "segment not present", segment_not_present)