stop building/testing old x86 validator.

src/trusted/validator/validator_init.c

Index: src/trusted/validator/validator_init.c
diff --git a/src/trusted/validator/validator_init.c b/src/trusted/validator/validator_init.c
index 5e2d22af5d08f3055cd798ecd91ae85f50baa858..6b937f9b1cf11783c8105241b7f7fc10ed75ce9d 100644
--- a/src/trusted/validator/validator_init.c
+++ b/src/trusted/validator/validator_init.c
@@ -7,11 +7,6 @@
 #include "native_client/src/shared/platform/nacl_log.h"
 #include "native_client/src/trusted/validator/ncvalidate.h"
 
-#if !defined(NACL_VALIDATOR_RAGEL) && NACL_ARCH(NACL_TARGET_ARCH) == NACL_x86
-static INLINE void EmitObsoleteValidatorWarning(void) {
-  NaClLog(LOG_WARNING, "USING OBSOLETE NON-DFA-BASED VALIDATOR!\n");
-}
-#endif
 
 const struct NaClValidatorInterface *NaClCreateValidator(void) {
 #if NACL_ARCH(NACL_BUILD_ARCH) == NACL_arm
@@ -20,19 +15,9 @@ const struct NaClValidatorInterface *NaClCreateValidator(void) {
   return NaClValidatorCreateMips();
 #elif NACL_ARCH(NACL_TARGET_ARCH) == NACL_x86
 # if NACL_TARGET_SUBARCH == 64
-#  if defined(NACL_VALIDATOR_RAGEL)
   return NaClDfaValidatorCreate_x86_64();
-#  else
-  EmitObsoleteValidatorWarning();
-  return NaClValidatorCreate_x86_64();
-#  endif  /* defined(NACL_VALIDATOR_RAGEL) */
 # elif NACL_TARGET_SUBARCH == 32
-#  if defined(NACL_VALIDATOR_RAGEL)
   return NaClDfaValidatorCreate_x86_32();
-#  else
-  EmitObsoleteValidatorWarning();
-  return NaClValidatorCreate_x86_32();
-#  endif  /* defined(NACL_VALIDATOR_RAGEL) */
 # else
 #  error "Invalid sub-architecture!"
 # endif