Bug 1573946 - Remove unused FxA toolbar menu strings r=flod

Differential Revision: https://phabricator.services.mozilla.com/D42017

--HG--
extra : moz-landing-system : lando

browser/locales/en-US/chrome/browser/brandings.dtd

@@ -5,7 +5,5 @@
 	- Transliterated.
 	- Translated. -->
 
-<!ENTITY sendShortName "Send">
 <!ENTITY sendFullName "Firefox Send">
-<!ENTITY monitorShortName "Monitor">
 <!ENTITY monitorFullName "Firefox Monitor">

browser/locales/en-US/chrome/browser/browser.dtd

@@ -112,10 +112,6 @@ convenience of Safari and Chrome users on macOS. See bug 1398988. -->
 
 <!-- LOCALIZATION NOTE (fxa.service) Used to define the different FxA services
      for the Firefox Account toolbar menu screen.  -->
-<!ENTITY fxa.service.send.description "Upload and share files with end-to-end encryption plus a link that automatically expires.">
-<!ENTITY fxa.service.send.launch "Launch &sendShortName;">
-<!ENTITY fxa.service.monitor.description "Check if your email has appeared in a data breach and get alerted if it appears in a new breach.">
-<!ENTITY fxa.service.monitor.launch "Launch &monitorShortName;">
 <!ENTITY fxa.service.sendTab.description "Send a tab instantly to any device you’re signed in on.">
 
 <!-- LOCALIZATION NOTE (fullscreenWarning.beforeDomain.label,