Delete old x86 validator.

src/trusted/validator_x86/testdata/64/data66prefix.test

Index: src/trusted/validator_x86/testdata/64/data66prefix.test
diff --git a/src/trusted/validator_x86/testdata/64/data66prefix.test b/src/trusted/validator_x86/testdata/64/data66prefix.test
deleted file mode 100644
index fc04764993725a3a41cc230b8a3c57682c9abb11..0000000000000000000000000000000000000000
--- a/src/trusted/validator_x86/testdata/64/data66prefix.test
+++ /dev/null
@@ -1,41 +0,0 @@
-@hex:
-  # Example showing that we don't default to non-66 prefix, when there non-66
-  # prefix form doesn't allow opt-in 66 prefix.
-  #
-  #  pslldq without 66 prefix.
-  0f 73 ff 00
-@rval:
-  VALIDATOR: 0000000000000000: 0f 73 ff                                     invalid
-  VALIDATOR: ERROR: This instruction has been marked illegal by Native Client
-  VALIDATOR: 0000000000000000: 0f 73 ff                                     invalid
-  VALIDATOR: ERROR: Opcode sequence doesn't define a valid x86 instruction
-  VALIDATOR: 0000000000000003: 00                                           invalid
-  VALIDATOR: ERROR: Opcode sequence doesn't define a valid x86 instruction
-  VALIDATOR: Checking jump targets: 0 to 4
-  VALIDATOR: Checking that basic blocks are aligned
-  *** <input> IS UNSAFE ***
-@dis:
-  0000000000000000: 0f 73 ff                                     invalid
-  0000000000000003: 00                                           invalid
-@vdis:
-  0000000000000000: 0f 73 ff                                     invalid
-  0000000000000003: 00                                           invalid
-@rdfa_output:
-  0: [0] unrecognized instruction
-  return code: 1
-@validators_disagree:
-  Because of error recovery.
-----------------------------------------------------------------------
-@hex:
-  #  pslldq with proper 66 prefix.
-  66 0f 73 ff 00
-@rval:
-  VALIDATOR: Checking jump targets: 0 to 5
-  VALIDATOR: Checking that basic blocks are aligned
-  *** <input> is safe ***
-@dis:
-  0000000000000000: 66 0f 73 ff 00                               pslldq %xmm7, 0x0
-@vdis:
-  0000000000000000: 66 0f 73 ff 00                               [P] dontcare %xmm7 (su), 0x0 (u)
-@rdfa_output:
-  return code: 0