docs: remove Mozilla references in about: pages

(cherry picked from commit 820226d49c6583c670358254d2eac61cbcd00dc3)

browser/components/aboutlogins/content/aboutLogins.html

@@ -123,7 +123,7 @@
           <span class="error-title" data-l10n-id="about-logins-import-dialog-error-unable-to-read-title"></span>
           <span class="error-description" data-l10n-id="about-logins-import-dialog-error-unable-to-read-description"></span>
           <span class="no-logins" data-l10n-id="about-logins-import-dialog-error-no-logins-imported"></span>
-          <a class="error-learn-more-link" href="https://support.mozilla.org/kb/import-login-data-file"
+          <a class="error-learn-more-link" href="https://www.waterfox.net/support/import-login-data-file"
             data-l10n-id="about-logins-import-dialog-error-learn-more" target="_blank" rel="noreferrer"></a>
         </div>
         <moz-button-group slot="buttons" class="buttons">

browser/components/aboutlogins/content/aboutLoginsImportReport.html

@@ -40,7 +40,7 @@
         <h2 data-l10n-id="about-logins-import-report-title"></h2>
         <div data-l10n-id="about-logins-import-report-description2"></div>
         <a
-          href="https://support.mozilla.org/kb/import-login-data-file"
+          href="https://www.waterfox.net/support/import-login-data-file"
           class="about-logins-import-report-learn-more"
           data-l10n-id="about-logins-import-dialog-error-learn-more"
           target="_blank"