Revert of [Turbofan] CodeGenerator for ARM avoids moves from VFP to general regs. (patchset #4 id:60001 of https://codereview.chromium.org/2497483002/ )

Reason for revert:
This was a speculative fix for perf regressions on Nexus 10 and ChromeOS. However, perf graphs after this landed show no improvement, so we should go back to the smaller, simpler code before.

Original issue's description:
> [Turbofan] CodeGenerator for ARM avoids moves from VFP to general regs.
> - Adds VmovExtended, VswpExtended methods to MacroAssembler. These methods
> use only VFP registers to perform s-register moves.
>
> LOG=N
> BUG=v8:4124

TBR=bmeurer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=v8:4124

Review-Url: https://codereview.chromium.org/2505003002
Cr-Commit-Position: refs/heads/master@{#41039}