Delete old x86 validator.

src/trusted/validator_x86/testdata/64/jump_not_atomic.test

-@hex:
-  # Models a jump into the middle of an atomic instruction sequence.
-  EB 03
-  83 e2 e0
-  4c 01 fa
-  ff e2
-@val:
-  VALIDATOR: Checking jump targets: 0 to a
-  VALIDATOR: ERROR: 5: Bad jump target
-  VALIDATOR: Checking that basic blocks are aligned
-  *** <input> IS UNSAFE ***
-@rval:
-  VALIDATOR: Checking jump targets: 0 to a
-  VALIDATOR: ERROR: 5: Bad jump target
-  VALIDATOR: Checking that basic blocks are aligned
-  *** <input> IS UNSAFE ***
-@rvala:
-  VALIDATOR: Checking jump targets: 0 to a
-  VALIDATOR: 5: Bad jump target
-  VALIDATOR: Checking that basic blocks are aligned
-  *** <input> IS UNSAFE ***
-@rvald:
-  VALIDATOR: Checking block alignment and jump targets: 0 to a
-  VALIDATOR: 0000000000000000: eb 03                                        jmp 0x5
-  VALIDATOR: ERROR: Jumps into middle of nacl pattern
-  *** <input> IS UNSAFE ***
-@vd-rval:
-  VALIDATOR: Checking jump targets: 0 to a
-  VALIDATOR: ERROR: 5: Bad jump target
-  VALIDATOR: Checking that basic blocks are aligned
-  *** <input> IS UNSAFE ***
-@dis:
-  0000000000000000: eb 03                                        jmp 0x5
-  0000000000000002: 83 e2 e0                                     and %edx, 0xe0
-  0000000000000005: 4c 01 fa                                     add %rdx, %r15
-  0000000000000008: ff e2                                        jmp %rdx
-@vdis:
-  0000000000000000: eb 03                                        [P] dontcarejump %rip (s), 0x5 (u)
-  0000000000000002: 83 e2 e0                                     and %edx, 0xe0
-  0000000000000005: 4c 01 fa                                     add %rdx, %r15
-  0000000000000008: ff e2                                        [P] dontcarejump %rip (s), %rdx (u)
-@rdfa_output:
-  0: [0] bad jump target
-  return code: 1
-@validators_disagree:
-  Because rdfaval reported jump location, not jump target.