Clean [about, newtab] and [about, history] when clear on close see APP_CLEAR_HISTORY in appStore.js
Clean [about, newtab] and [about, history] when clear on close
see APP_CLEAR_HISTORY in appStore.js

fix #6673

Auditors: @bbondy, @bsclifton

Test Plan:
1. Make sure there are some history and new tab tiles
2. Choose clear "Browsing History" on close in about:preferences#security
3. Restart Brave
4. There shouldn't be any history in about:history and tiles in about:newtab

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