[test] Re-enable typescript that is no longer failing on ia32.

R=jarin@chromium.org
BUG=v8:4493
LOG=n

Review URL: https://codereview.chromium.org/1402383005

Cr-Commit-Position: refs/heads/master@{#31545}

test/benchmarks/benchmarks.status

@@ -34,8 +34,6 @@
 
   # Slow tests.
   'kraken/imaging-gaussian-blur': [PASS, SLOW],
-  # TODO(turbofan): Fails in register allocator verifier. Needs investigation.
-  # Note: Keep SLOW modifier when removing NO_VARIANTS.
-  'octane/typescript': [PASS, SLOW, NO_VARIANTS],
+  'octane/typescript': [PASS, SLOW],
 }],  # ALWAYS
 ]