Updates from bedrock (#475)

From file changes in mozilla/bedrock@9257054

en/footer-refresh.ftl

@@ -8,8 +8,6 @@ footer-refresh-advertise = Advertise with { -brand-name-mozilla }
 footer-refresh-firefox-release-notes = { -brand-name-firefox } Release Notes
 footer-refresh-mdn = MDN
 footer-refresh-follow-mozilla = Follow @{ -brand-name-mozilla }
-footer-refresh-x = X
-footer-refresh-x-formerly-twitter = X (formerly Twitter)
 footer-refresh-mastodon = Mastodon
 footer-refresh-instagram = Instagram
 footer-refresh-linkedin = LinkedIn

en/footer.ftl

@@ -40,8 +40,6 @@ footer-language = Language
 footer-go = Go
 footer-donate = Donate
 
-footer-x = X
-footer-x-formerly-twitter = X (formerly Twitter)
 footer-mastodon = { -brand-name-mastodon }
 footer-instagram = { -brand-name-instagram }
 footer-youtube = { -brand-name-youtube }

en/mozorg/newsletters.ftl

@@ -137,6 +137,9 @@ newsletters-fxa-error-retry = We are sorry, but there was a problem directing yo
 #   $url (url) - link to https://www.mozilla.org/newsletter/
 newsletters-this-email-address-is-not = This email address is not in our system. Please double check your address or <a href="{ $url }">subscribe to our newsletters.</a>
 
+# Note: Bluesky is a brand name that shouldn't be translated
+newsletters-im-keeping-in-touch-v3 = I’m keeping in touch with { -brand-name-mozilla } on Bluesky instead.
+# Obsolete, remove after 2025-05-11
 newsletters-im-keeping-in-touch-v2 = I’m keeping in touch with { -brand-name-mozilla } on { -brand-name-twitter } instead.
 
 # Headline for https://www.mozilla.org/newsletter/mozilla/

en/newsletter/opt-out-confirmation.ftl

@@ -38,6 +38,3 @@ opt-out-confirmation-youtube = { -brand-name-youtube }
 
 # Link to https://www.facebook.com/Firefox
 opt-out-confirmation-facebook = { -brand-name-facebook }
-
-# Link to https://twitter.com/firefox
-opt-out-confirmation-x-formerly-twitter = X (formerly Twitter)