Delete old x86 validator.

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

Index: src/trusted/validator_x86/testdata/64/size_error.test
diff --git a/src/trusted/validator_x86/testdata/64/size_error.test b/src/trusted/validator_x86/testdata/64/size_error.test
deleted file mode 100644
index 32f292b2ef8fe1707eb327d83943258f1901c0e2..0000000000000000000000000000000000000000
--- a/src/trusted/validator_x86/testdata/64/size_error.test
+++ /dev/null
@@ -1,37 +0,0 @@
-@hex:
-  # The following checks if we catch the use of data 66/Rex.W specifying
-  # undetermined operand size.
-  
-  # The following checks that we allow Rex.w.
-  # 0000000000000000: 48 01 c3                                     add %rbx, %rax
-  48 01 c3
-  
-  # The following checks that we allow data 66.
-  # 0000000000000003: 66 01 c3                                     add %bx, %ax
-  66 01 c3
-  
-  # The following checks that we don't allow Rex.w and data 66
-  66 48 01 c3
-@rval:
-  VALIDATOR: 0000000000000006: 66 48 01                                     invalid
-  VALIDATOR: ERROR: Opcode sequence doesn't define a valid x86 instruction
-  VALIDATOR: 0000000000000006: 66 48 01                                     invalid
-  VALIDATOR: ERROR: Use of DATA16 (66) prefix for instruction not allowed by Native Client
-  VALIDATOR: 0000000000000009: c3                                           ret
-  VALIDATOR: ERROR: This instruction has been marked illegal by Native Client
-  VALIDATOR: 0000000000000009: c3                                           ret
-  VALIDATOR: ERROR: Illegal assignment to RSP
-  VALIDATOR: Checking jump targets: 0 to a
-  VALIDATOR: Checking that basic blocks are aligned
-  *** <input> IS UNSAFE ***
-@dis:
-  0000000000000000: 48 01 c3                                     add %rbx, %rax
-  0000000000000003: 66 01 c3                                     add %bx, %ax
-  0000000000000006: 66 48 01                                     invalid
-  0000000000000009: c3                                           ret
-@rdfa_output:
-  6: [0] unrecognized instruction
-  return code: 1
-@validators_disagree:
-  errors reported by old validator but not by rdfa one:
-    0x9 - old validator recovered in the middle of invalid instruction