Revert of [runtime] Fix ES6 9.2.1 [[Call]] when encountering a classConstructor. (patchset #20 id:370001 of https://codereview.chromium.org/1418623007/ )

Reason for revert:
failing build bot

Original issue's description:
> [runtime] Fix ES6 9.2.1 [[Call]] when encountering a classConstructor.
>
> The current implementation of classes throws the TypeError at the wrong
> point, after activating a new context when directly calling a class
> constructor. According to the spec, the TypeError has to be thrown
> in the caller context.
>
> LOG=N
> BUG=v8:4428
>
> Committed: https://crrev.com/6a06bc0a774933719f62009d81b3f1686d83bb90
> Cr-Commit-Position: refs/heads/master@{#31786}

TBR=bmeurer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4428

Review URL: https://codereview.chromium.org/1415783006

Cr-Commit-Position: refs/heads/master@{#31787}