Update Brave.app to 0.55.18 (#53796)

* Update Brave.app to 0.55.18

Update Brave to new Chromium-based edition
New Github repository: https://github.com/brave/brave-browser
New version number: 0.55.18

* Update brave.rb

* Update and rename brave.rb to brave-browser.rb

Casks/brave-browser.rb

@@ -0,0 +1,21 @@
+cask 'brave-browser' do
+  version '0.55.18'
+  sha256 '6991ff0aceb1826505e1c5cf98b2b45b12b51b149c73bbf7fb329bdbf9d83414'
+
+  # github.com/brave/brave-browser was verified as official when first introduced to the cask
+  url "https://github.com/brave/brave-browser/releases/download/v#{version}/Brave-Browser.dmg"
+  appcast 'https://github.com/brave/brave-browser/releases.atom'
+  name 'Brave'
+  homepage 'https://brave.com/'
+
+  auto_updates true
+  depends_on macos: '>= :mavericks'
+
+  app 'Brave Browser.app'
+
+  zap trash: [
+               '~/Library/Application Support/brave',
+               '~/Library/Preferences/com.electron.brave.plist',
+               '~/Library/Saved Application State/com.electron.brave.savedState',
+             ]
+end

Casks/brave.rb

@@ -1,21 +0,0 @@
-cask 'brave' do
-  version '0.25.2'
-  sha256 '3d37ffd33a75d7d125f70611c0dab5ca49f283ce7282aede4608750627f410ac'
-
-  # github.com/brave/browser-laptop was verified as official when first introduced to the cask
-  url "https://github.com/brave/browser-laptop/releases/download/v#{version}dev/Brave-#{version}.dmg"
-  appcast 'https://github.com/brave/browser-laptop/releases.atom'
-  name 'Brave'
-  homepage 'https://brave.com/'
-
-  auto_updates true
-  depends_on macos: '>= :mavericks'
-
-  app 'Brave.app'
-
-  zap trash: [
-               '~/Library/Application Support/brave',
-               '~/Library/Preferences/com.electron.brave.plist',
-               '~/Library/Saved Application State/com.electron.brave.savedState',
-             ]
-end