fixup! MB 37: Customization for the about dialog

MB 349: Merge Fluent files into one.

browser/base/content/aboutDialog.xhtml

@@ -37,7 +37,7 @@
     <html:link rel="localization" href="branding/brand.ftl"/>
     <html:link rel="localization" href="browser/aboutDialog.ftl"/>
     <html:link rel="localization" href="toolkit/global/base-browser.ftl"/>
-    <html:link rel="localization" href="browser/aboutDialogMullvad.ftl"/>
+    <html:link rel="localization" href="toolkit/global/mullvad-browser.ftl"/>
   </linkset>
 
   <html:div id="aboutDialogContainer">

browser/locales/en-US/browser/aboutDialogMullvad.ftl

-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-## Variables
-##   $emailAddress (String) - The email address of Mullvad's support
-
-mullvad-about-desc = { -brand-short-name }  is a privacy-focused web browser developed in collaboration between <label data-l10n-name="mullvad-about-mullvadLink">Mullvad VPN</label> and the <label data-l10n-name="mullvad-about-torProjectLink">Tor Project</label>. It’s produced to minimize tracking and fingerprinting.
-mullvad-about-readMore = Read more
-mullvad-about-feedback2 = Help & feedback: { $emailAddress }
-mullvad-about-telemetryLink = Telemetry

tools/lint/fluent-lint/exclusions.yml

@@ -87,7 +87,6 @@ ID01:
         # The webext-perms-description-* IDs are generated programmatically
         # from permission names
         - toolkit/locales/en-US/toolkit/global/extensionPermissions.ftl
-        - browser/locales/en-US/browser/aboutDialogMullvad.ftl
 ID02:
     messages:
         # browser/components/ion/content/ion.ftl