Delete old x86 validator.

src/trusted/validator_x86/testdata/32/bt.test

-@hex:
-  # Test legal bit commands
-  # btw $0x1,(%esp)
-  66 0f ba 24 24 01
-  90 90 90 90 90
-  # btl $0x1,(%esp)
-  0f ba 24 24 01
-  # btrl $0x1,(%esp)
-  0f ba 34 24 01
-  # btsl $0x1,(%esp)
-  0f ba 2c 24 01
-  # btcl $0x1,(%esp)
-  0f ba 3c 24 01
-@nval:
-  VALIDATOR: 0: Undefined instruction
-  VALIDATOR: b: Illegal instruction
-  VALIDATOR: 10: Illegal instruction
-  VALIDATOR: 15: Illegal instruction
-  VALIDATOR: 1a: Illegal instruction
-  *** <input> IS UNSAFE ***
-@dis:
-  00000000: 66 0f ba 24 24 01                            bt %ds:[%esp+%esp*1], 0x1
-  00000006: 90                                           nop
-  00000007: 90                                           nop
-  00000008: 90                                           nop
-  00000009: 90                                           nop
-  0000000a: 90                                           nop
-  0000000b: 0f ba 24 24 01                               bt %ds:[%esp+%esp*1], 0x1
-  00000010: 0f ba 34 24 01                               btr %ds:[%esp+%esp*1], 0x1
-  00000015: 0f ba 2c 24 01                               bts %ds:[%esp+%esp*1], 0x1
-  0000001a: 0f ba 3c 24 01                               btc %ds:[%esp+%esp*1], 0x1
-@vdis:
-   0:   66 0f ba                undefined
-   3:   24 24                   and %al, 0x24
-   5:   01 90 90 90 90 90       add 0x90909090[%eax], %edx
-   b:   0f ba 24 24 01          bt [%esp], 0x1
-   10:  0f ba 34 24 01          btr [%esp], 0x1
-   15:  0f ba 2c 24 01          bts [%esp], 0x1
-   1a:  0f ba 3c 24 01          btc [%esp], 0x1
-@rdfa_output:
-  0: [0] unrecognized instruction
-  b: [1] unrecognized instruction
-  10: [2] unrecognized instruction
-  15: [3] unrecognized instruction
-  1a: [4] unrecognized instruction
-  return code: 1