removing Scroll for Brave News if brave://flags/#brave-news has been disabled

[kjozwiak]

Description

We should remove the Scroll for Brave News string/animation from the NTP if a user has disabled Brave News via brave://flags/#brave-news. Follow up to #25182 which fixes the crash.

Steps to Reproduce

1. Use the STR/Cases oulined via Fix crash with new tab page when Brave News is disabled via brave://flags brave-core#15025 (comment)
2. observe that the Scroll for Brave News string/animation is still present/visible even though Brave News was disabled

Actual result:

Expected result:

We should remove the Scroll for Brave News string/animation once Brave News has been disabled.

Reproduces how often:

100% reproducible using the STR/Cases outlined above.

Brave version (brave://version info)

Brave | 1.45.34 Chromium: 105.0.5195.102 (Official Build) nightly (64-bit)
-- | --
Revision | 4c16f5ffcc2da70ee2600d5db77bed423ac03a5a-refs/branch-heads/5195_55@{#4}
OS | Windows 11 Version 21H2 (Build 22000.918)

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? N/A
• Does the issue resolve itself when disabling Brave Rewards? N/A
• Is the issue reproducible on the latest version of Chrome? N/A

Miscellaneous Information:

[mattmcalister]

This was resolved. Closing.

[myviolinsings]

How was this issue resolved? I still have the scroll for brave news at the bottom of new page and cannot get rid of it. Flags disabled are: Enable Brave News V2 & Brave News prompts on New Tab Page.