Revert of [turbofan] add MachineType to AllocatedOperand

Revert of [turbofan] add MachineType to AllocatedOperand (patchset #17 id:310001 of https://codereview.chromium.org/1087793002/)

Reason for revert:
[Sheriff] Breaks compile on chromium asan and v8 msan:
http://build.chromium.org/p/client.v8/builders/Linux%20ASAN%20Builder/builds/3446
http://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/builds/2085

Original issue's description:
> [turbofan] add MachineType to AllocatedOperand
>
> - allows the optimization of emitted gap move code since the representation of the value in the register is known
> - necessary preparation for vector register allocation
> - prepare for slot sharing for any value of the same byte width
>
> BUG=
>
> Committed: https://crrev.com/3a025d1ab6437559f86a464767aa03d2d9789f6f
> Cr-Commit-Position: refs/heads/master@{#28137}

TBR=jarin@chromium.org,dcarney@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://crrev.com/7eccb1814829a8db3b14d1c061ade19869bd75b5
Cr-Commit-Position: refs/heads/master@{#28139}

[Michael Achenbach, 2015-04-29 18:28:03]

Created Revert of [turbofan] add MachineType to AllocatedOperand

[commit-bot: I haz the power, 2015-04-29 18:28:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1119483003/1

[commit-bot: I haz the power, 2015-04-29 18:28:44]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-29 18:28:55]

Patchset 1 (id:??) landed as
https://crrev.com/7eccb1814829a8db3b14d1c061ade19869bd75b5
Cr-Commit-Position: refs/heads/master@{#28139}