Hide sponsored and pinned shortcuts from the URL bar by default

[noaione]

Added toggle (default to disabled) to remove pinned and sponsored results from the URL bar.

See: https://github.com/zen-browser/desktop/discussions/6186

Demo:

https://github.com/user-attachments/assets/8fe23e10-0bab-4294-bf40-a8ea4889a7b6

(Video has broken text since it's missing l10n stuff)

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l10n PR: https://github.com/zen-browser/l10n-packs/pull/137

[noaione]

If you want pinned shortcuts to be enabled by default (in case people complains more stuff missing from URL bar) I can change it.

[mr-cheffy]

I woudnt want it to be in the settings page to not overcrowd it, I think

[noaione]

Hmm, alright. I guess I'll remove it from the options list

[noaione]

Removed the options, people still can use zen.urlbar.show-sponsored and zen.urlbar.show-pinned from about:config to configure this.

[JSGRD22]

Awesome, hope this ensures Google Search, which is currently pinned on installation (any plans to change this too?), will no longer show in the URL bar by default, as this has been annoying for many.

[noaione]

If I manage to find it, I'll probably make separate PR for it

[blu3berryys]

Any updates on this?

[blu3berryys]

Ngl we should add zen's website or docs for default.