Revert of [inspector] convert V8Console static methods into members (patchset #2 id:20001 of https://codereview.chromium.org/2783073002/ )

Reason for revert:
Too many simulatenously landed CLs, this one should be rebased first.

Original issue's description:
> [inspector] convert V8Console static methods into members
>
> This step is required to implement console as builtin which calls console delegate methods.
>
> BUG=v8:6168
> R=dgozman@chromium.org
>
> Review-Url: https://codereview.chromium.org/2783073002
> Cr-Commit-Position: refs/heads/master@{#44283}
> Committed: https://chromium.googlesource.com/v8/v8/+/fe27dccd873024213b16d1e9810dda6a6c705571

TBR=dgozman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6168

Review-Url: https://codereview.chromium.org/2793443002
Cr-Commit-Position: refs/heads/master@{#44284}