Layer violation for includes at brave_sync_profile_sync_service.cc

[AlexeyBarabash]

Bad effect of brave/brave-core#6732

@bridiver reported the error

In file included from ../../brave/components/sync/driver/brave_sync_profile_sync_service.cc:15:
In file included from ../../brave/chromium_src/chrome/browser/profiles/profile_manager.h:20:
In file included from ../../brave/chromium_src/chrome/browser/profiles/../../../../../chrome/browser/profiles/profile_manager.h:23:
In file included from ../../chrome/browser/profiles/profile.h:20:
In file included from ../../brave/chromium_src/content/public/browser/browser_context.h:9:
../../brave/chromium_src/content/public/browser/../../../../../content/public/browser/browser_context.h:24:10: fatal error: 'services/content/public/mojom/navigable_contents_factory.mojom-forward.h' file not found
#include "services/content/public/mojom/navigable_contents_factory.mojom-forward.h"
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.

Violation is fixed by brave/brave-core#7001 , but includes are forgotten. Removing of these includes helps.