Delete old x86 validator.

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

-@hex:
-  # Test that we correctly check both implicit arguments to movsb
-  
-  # Valid case, within bundle
-  # 0000000000000000: 89 f6                                        mov %esi, %esi
-  # 0000000000000002: 49 8d 34 37                                  lea %rsi, [%r15+%rsi*1]
-  # 0000000000000006: 89 ff                                        mov %edi, %edi
-  # 0000000000000008: 49 8d 3c 3f                                  lea %rdi, [%r15+%rdi*1]
-  # 000000000000000c: a4                                           movsb
-  89 f6
-  49 8d 34 37
-  89 ff
-  49 8d 3c 3f
-  a4
-  
-  # Nop spacer.
-  90 90 90 90 90 90 90 90
-  90 90 90 90 90 90 90 90
-  90
-  
-  # invalid case, crosses bundle
-  # 000000000000001e: 89 f6                                        mov %esi, %esi
-  # 0000000000000020: 49 8d 34 37                                  lea %rsi, [%r15+%rsi*1]
-  # 0000000000000024: 89 ff                                        mov %edi, %edi
-  # 0000000000000026: 49 8d 3c 3f                                  lea %rdi, [%r15+%rdi*1]
-  # 000000000000002a: a4                                           movsb
-  89 f6
-  49 8d 34 37
-  89 ff
-  49 8d 3c 3f
-  a4
-@rval:
-  VALIDATOR: Checking jump targets: 0 to 2b
-  VALIDATOR: Checking that basic blocks are aligned
-  VALIDATOR: ERROR: 20: Bad basic block alignment.
-  *** <input> IS UNSAFE ***
-@dis:
-  0000000000000000: 89 f6                                        mov %esi, %esi
-  0000000000000002: 49 8d 34 37                                  lea %rsi, [%r15+%rsi*1]
-  0000000000000006: 89 ff                                        mov %edi, %edi
-  0000000000000008: 49 8d 3c 3f                                  lea %rdi, [%r15+%rdi*1]
-  000000000000000c: a4                                           movsb [%rdi], [%rsi]
-  000000000000000d: 90                                           nop
-  000000000000000e: 90                                           nop
-  000000000000000f: 90                                           nop
-  0000000000000010: 90                                           nop
-  0000000000000011: 90                                           nop
-  0000000000000012: 90                                           nop
-  0000000000000013: 90                                           nop
-  0000000000000014: 90                                           nop
-  0000000000000015: 90                                           nop
-  0000000000000016: 90                                           nop
-  0000000000000017: 90                                           nop
-  0000000000000018: 90                                           nop
-  0000000000000019: 90                                           nop
-  000000000000001a: 90                                           nop
-  000000000000001b: 90                                           nop
-  000000000000001c: 90                                           nop
-  000000000000001d: 90                                           nop
-  000000000000001e: 89 f6                                        mov %esi, %esi
-  0000000000000020: 49 8d 34 37                                  lea %rsi, [%r15+%rsi*1]
-  0000000000000024: 89 ff                                        mov %edi, %edi
-  0000000000000026: 49 8d 3c 3f                                  lea %rdi, [%r15+%rdi*1]
-  000000000000002a: a4                                           movsb [%rdi], [%rsi]
-@rdfa_output:
-  2a: [0] unrecognized instruction
-  return code: 1
-@validators_disagree:
-  Zero-extending happened in the end of the bundle, so old validator
-  reported that sequence crossed bundle boundary, and RDFA validator
-  did not allow string instruction with improperly prepared %rsi.
-  
-  errors reported by old validator but not by rdfa one:
-    0x20
-  errors reported by rdfa validator but not by old one:
-    0x2a