feat: remove hardware acceleration checkbox [WPB-22425]

[zskhan]

WPB-22425 [Web] - Camera Decoding Issue

This PR remove the hardware acceleration toggle in the Call Preferences which was introduced previously through this PR.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 45.65%. Comparing base (8852ca1) to head (9caf412).

Additional details and impacted files

@@            Coverage Diff             @@
##              dev   #21404      +/-   ##
==========================================
- Coverage   45.71%   45.65%   -0.06%     
==========================================
  Files        1702     1702              
  Lines       43910    43890      -20     
  Branches     9139     9134       -5     
==========================================
- Hits        20072    20038      -34     
- Misses      21571    21585      +14     
  Partials     2267     2267              

Flag	Coverage Δ
app_webapp	43.80% <ø> (-0.07%)	⬇️
lib_api_client	51.86% <ø> (ø)
lib_core	59.08% <ø> (ø)

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Files with missing lines	Coverage Δ
apps/webapp/src/script/Config.ts	63.63% <ø> (+13.63%)	⬆️
...t/panels/preferences/avPreferences/CallOptions.tsx	3.03% <ø> (-62.97%)	⬇️
...pt/repositories/conversation/linkPreviews/index.ts	73.17% <ø> (ø)

... and 2 files with indirect coverage changes

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[github-actions]

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🧪 Playwright Test Summary

• ✅ Passed: 14
• ❌ Failed: 0
• ⏭ Skipped: 0
• 🔁 Flaky: 1
• 📊 Total: 15
• ⏱ Total Runtime: 162.7s (~ 2 min 43 sec)

specs/CriticalFlow/groupVideoCall-TC-8637.spec.ts (❌ 0 failed, ⚠️ 1 flaky)

• ⚠️ Group Video call (tags: TC-8637, crit-flow-web)