This reverts commit ce8f5141.

Reason for revert: Changes a layout test:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/20693

Original change's description:
> Skip Execution::Call in CompileFunctionInContext.
> 
> We execute the top-level function only to get to the wrapped function.
> We could do the same by simply instantiating it.
> 
> Other approaches would change the parser so that the top-level function
> is the wrapped function. However, that change violates existing scoping
> invariants and fixing it would add a lot more complexity to the parser.
> 
> R=​adamk@chromium.org, marja@chromium.org
> 
> Bug: v8:7172
> Change-Id: I7272b8b58fc739d47a44da3a9d4a914af3e8cf3d
> Reviewed-on: https://chromium-review.googlesource.com/836367
> Reviewed-by: Adam Klein <adamk@chromium.org>
> Commit-Queue: Yang Guo <yangguo@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#50333}

TBR=adamk@chromium.org,marja@chromium.org,yangguo@chromium.org

Change-Id: I922fdd2410512d837705263e092a09e041b9d28f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7172
Reviewed-on: https://chromium-review.googlesource.com/849215Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50345}