This reverts commit 1446ec926e7198e6cd7ca271b000916bd694d47c.

Reason for revert: This is causing a breakage on WebView https://crbug.com/326898580

Original change's description:
> Enable ReduceCookieIPCs by default.
>
> The feature has a positive impact on performance on Windows, Mac
> and ChromeOS and Android Browser:
>   go/catan2023h2-individual-optimizations
>
> On Android Webview, no shared memory is returned to the renderer
> due to [1], so the IPC is never bypassed [2].
>
> [1] https://source.chromium.org/chromium/chromium/src/+/main:android_webview/browser/network_service/aw_proxying_restricted_cookie_manager.cc;l=188;drc=4dbc034a20d71ba93b61d60d1d26526d6d8cc1c1
> [2] https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/core/loader/cookie_jar.cc;l=188;drc=7dc3003765c74daa4bb49e4463e3a7963d8c7ea1
>
> Bug: 1393050
> Change-Id: I29ec122a7830f1b342d8af9ee3c11e3e308b7e4e
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5273404
> Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
> Reviewed-by: Olivier Li <olivierli@chromium.org>
> Auto-Submit: Francois Pierre Doray <fdoray@chromium.org>
> Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1257024}

Bug: 1393050
Change-Id: I5e62814e5bcfa573536a010f7c5b26e4393cc05c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5328888
Reviewed-by: Srinivas Sista <srinivassista@chromium.org>
Commit-Queue: Srinivas Sista <srinivassista@chromium.org>
Owners-Override: Srinivas Sista <srinivassista@chromium.org>
Cr-Commit-Position: refs/branch-heads/6326@{#4}
Cr-Branched-From: 96d843a36835ca342a40903b716fd58f4c1800bb-refs/heads/main@{#1265677}