Remove unnecessary options from HTailCallThroughMegamorphicCache

Remove unnecessary options from HTailCallThroughMegamorphicCache

These options were added for a hydrogen code stub version of
the VectorIC dispatcher, which was discontinued.

R=verwaest@chromium.org
BUG=

Committed: https://crrev.com/e0844a24d35c03c6971b8beb633c3506c212179a
Cr-Commit-Position: refs/heads/master@{#27793}

[mvstanton, 2015-04-13 14:17:42]

Hi Toon,
Here is a nice cleanup CL. Thx for the look,
--Michael

[Toon Verwaest, 2015-04-13 14:28:02]

lgtm

[mvstanton, 2015-04-13 14:39:31]

The CQ bit was checked by mvstanton@chromium.org

[mvstanton, 2015-04-13 14:39:31]

The patchset sent to the CQ was uploaded after l-g-t-m from
verwaest@chromium.org
Link to the patchset: https://codereview.chromium.org/1081883002/#ps20001
(title: "Ports.")

[commit-bot: I haz the power, 2015-04-13 14:39:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1081883002/20001

[commit-bot: I haz the power, 2015-04-13 16:23:30]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-04-13 16:23:44]

Patchset 2 (id:??) landed as
https://crrev.com/e0844a24d35c03c6971b8beb633c3506c212179a
Cr-Commit-Position: refs/heads/master@{#27793}