Modifies l10nUitl.js to globally replace 'Chrome Web Store' with just

'Web Store' in order to avoid ending up with 'Brave Web Store' when
'Chrome' is globally replaced with 'Brave'.

Fixes brave/brave-browser#2983

build/lib/l10nUtil.js

@@ -129,6 +129,7 @@ module.exports.rebaseBraveStringFilesOnChromiumL10nFiles = async function (path)
 const defaultReplacements = [
   [/Automatically send usage statistics and crash reports to Google/g, 'Automatically send crash reports to Google'],
   [/Automatically sends usage statistics and crash reports to Google/g, 'Automatically sends crash reports to Google'],
+  [/Chrome Web Store/g, 'Web Store'],
   [/The Chromium Authors/g, 'Brave Software Inc'],
   [/Google Chrome/g, 'Brave'],
   [/Chromium/g, 'Brave'],