1.18.x - Uplift #7433 Brave Today: remove hint (scroll down arrow) animation

[petemill]

Uplift of #7433
Fixes brave/brave-browser#13194

[kjozwiak]

Restarting Linux via https://ci.brave.com/job/pr-brave-browser-today-optimize-animation-1.18.x-linux/3/ due to an error with the instance as per https://ci.brave.com/job/pr-brave-browser-today-optimize-animation-1.18.x-linux/2/execution/node/73/log/

17:12:42  An error occurred (InsufficientInstanceCapacity) when calling the StartInstances operation (reached max retries: 4): Insufficient capacity.

Restarting iOS via https://ci.brave.com/job/pr-brave-browser-today-optimize-animation-1.18.x-ios/3/ as build failed as per https://ci.brave.com/job/pr-brave-browser-today-optimize-animation-1.18.x-ios/2/execution/node/138/log/.

17:22:44  FAILED: obj/base/base/json_writer.o 

[kjozwiak]

test-browser failed on macOS due to several reward failures as per https://ci.brave.com/job/pr-brave-browser-today-optimize-animation-1.18.x-macos/3/execution/node/202/log/. However, these are known intermittent issues and have been filed via GH. Doesn't block uplift.

• RewardsBrowserTest.UpholdLimitNoBAT --> "RewardsBrowserTest.UpholdLimitNoBAT" failing CI intermittently brave-browser#12704
• RewardsPromotionBrowserTest.ClaimViaPane --> Intermittent rewards browser test failure: RewardsPromotionBrowserTest.ClaimViaPanel and RewardsPromotionBrowserTest.ClaimViaSettingsPage brave-browser#12605
• RewardsPromotionBrowserTest.PromotionRemovedFromEndpoint --> Intermittent rewards browser tests failure - RewardsBrowserTest.ActivateSettingsModal/RewardsPromotionBrowserTest.PromotionRemovedFromEndpoint brave-browser#12632

17:39:00  3 tests failed:
17:39:00      RewardsBrowserTest.UpholdLimitNoBAT (../../brave/components/brave_rewards/browser/test/rewards_browsertest.cc:397)
17:39:00      RewardsPromotionBrowserTest.ClaimViaPanel (../../brave/components/brave_rewards/browser/test/rewards_promotion_browsertest.cc:201)
17:39:00      RewardsPromotionBrowserTest.PromotionRemovedFromEndpoint (../../brave/components/brave_rewards/browser/test/rewards_promotion_browsertest.cc:230)

[kjozwiak]

Uplift into 1.18.x approved after deliberating with @brave/uplift-approvers. QA has verified the PR on Nightly as per #7433 (comment).