[Android] remove redirect for filter settings

[tapanmodh]

Resolves brave/brave-browser#33091

Submitter Checklist:

• I confirm that no security/privacy review is needed and no other type of reviews are needed, or that I have requested them
• There is a ticket for my issue
• Used Github auto-closing keywords in the PR description above
• Wrote a good PR/commit description
• Squashed any review feedback or "fixup" commits before merge, so that history is a record of what happened in the repo, not your PR
• Added appropriate labels (QA/Yes or QA/No; release-notes/include or release-notes/exclude; OS/...) to the associated issue
• Checked the PR locally:
  • npm run test -- brave_browser_tests, npm run test -- brave_unit_tests wiki
  • npm run lint, npm run presubmit wiki, npm run gn_check, npm run tslint
• Ran git rebase master (if needed)

Reviewer Checklist:

• A security review is not needed, or a link to one is included in the PR description
• New files have MPL-2.0 license header
• Adequate test coverage exists to prevent regressions
• Major classes, functions and non-trivial code blocks are well-commented
• Changes in component dependencies are properly reflected in gn
• Code follows the style guide
• Test plan is specified in PR before merging

After-merge Checklist:

• The associated issue milestone is set to the smallest version that the
  changes has landed on
• All relevant documentation has been updated, for instance:
  • https://github.com/brave/brave-browser/wiki/Deviations-from-Chromium-(features-we-disable-or-remove)
  • https://github.com/brave/brave-browser/wiki/Proxy-redirected-URLs
  • https://github.com/brave/brave-browser/wiki/Fingerprinting-Protections
  • https://github.com/brave/brave-browser/wiki/Brave%E2%80%99s-Use-of-Referral-Codes
  • https://github.com/brave/brave-browser/wiki/Custom-Headers
  • https://github.com/brave/brave-browser/wiki/Web-Compatibility-Exceptions-in-Brave
  • https://github.com/brave/brave-browser/wiki/QA-Guide
  • https://github.com/brave/brave-browser/wiki/P3A

Test Plan:

We are removing redirect to new filter list settings when they type brave://adblock in url bar. It will display webpage for filters just like desktop

[deeppandya]

LGTM

[kjozwiak]

Verification PASSED on Pixel 6 running Android 14 using the following build(s):

Brave | 1.60.56 Chromium: 117.0.5938.92 (Official Build) canary (64-bit)
--- | ---
Revision | 3b7f9ca8094bbdada8e04aa8531f4bd9becbc25b
OS | Android 14; Build/UPB5.230623.009; 34; REL

Using the STR/Cases outlined via #20212 (comment) and the information from brave/brave-browser#33091, ensured the following:

• ensured that Content Filtering is visible via Settings -> Brave Shields & privacy -> Content Filtering
• ensured that visiting brave://adblock doesn't redirect users to Content Filtering under Settings
• ensured that changes using Content Filtering under Settings are also being displayed under brave://adblock
• ensured that changes using brave://adblock are also visible via Content Filtering under Settings

Example	Example	Example