Brave wallet recovery failure message should be localizable

[luixxiul]

Describe the issue you encountered:

browser-laptop/js/about/preferences.js

Lines 1131 to 1132 in 55de603

	<h1>Recovery failed</h1>
	<p className='spaceAround'>Please re-enter keys or try different keys.</p>

is hardcoded and cannot be localized.

Expected behavior: It should be localizable

• Brave Version: master branch

• Any related issues:

Test plan

#4720 (comment)

[luixxiul]

Also

browser-laptop/js/about/preferences.js

Line 1122 in 55de603

<h1>Success!</h1>

[bsclifton]

@luixxiul this might be a good issue for you to solve, since you're already in there 😄 Please feel free to assign yourself

[bsclifton]

Removed ledger label; see the commit in first post for the two strings which need to be localized 😄