Delete old x86 validator.

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

Index: src/trusted/validator_x86/testdata/64/rex_invalid.test
diff --git a/src/trusted/validator_x86/testdata/64/rex_invalid.test b/src/trusted/validator_x86/testdata/64/rex_invalid.test
deleted file mode 100644
index 3e449b6cd92ac52985792a44e91ffad265af7bae..0000000000000000000000000000000000000000
--- a/src/trusted/validator_x86/testdata/64/rex_invalid.test
+++ /dev/null
@@ -1,31 +0,0 @@
-@hex:
-  # mov %rax,%rax
-  # test that we accept rex prefixes with bits which are not used by
-  # the command.
-  48 89 C0
-  47 89 C0
-  46 89 C0
-  45 89 C0
-  44 89 C0
-  43 89 C0
-  42 89 C0
-  41 89 C0
-  40 89 C0
-  4F 89 C0
-@rval:
-  VALIDATOR: Checking jump targets: 0 to 1e
-  VALIDATOR: Checking that basic blocks are aligned
-  *** <input> is safe ***
-@dis:
-  0000000000000000: 48 89 c0                                     mov %rax, %rax
-  0000000000000003: 47 89 c0                                     mov %r8d, %r8d
-  0000000000000006: 46 89 c0                                     mov %eax, %r8d
-  0000000000000009: 45 89 c0                                     mov %r8d, %r8d
-  000000000000000c: 44 89 c0                                     mov %eax, %r8d
-  000000000000000f: 43 89 c0                                     mov %r8d, %eax
-  0000000000000012: 42 89 c0                                     mov %eax, %eax
-  0000000000000015: 41 89 c0                                     mov %r8d, %eax
-  0000000000000018: 40 89 c0                                     mov %eax, %eax
-  000000000000001b: 4f 89 c0                                     mov %r8, %r8
-@rdfa_output:
-  return code: 0