using app name template for the carousel content which contains the app name

- also marks the now unused strings for deletion

Author: ouchadam

vector/src/main/res/values/donottranslate.xml

@@ -22,7 +22,8 @@
     <string name="ftue_auth_carousel_body_control" translatable="false">Choose where your conversations are kept, giving you control and independence. Connected via Matrix.</string>
     <string name="ftue_auth_carousel_body_encrypted" translatable="false">End-to-end encrypted and no phone number required. No ads or datamining.</string>
     <string name="ftue_auth_carousel_title_messaging" translatable="false">Messaging for your team.</string>
-    <string name="ftue_auth_carousel_body_workplace" translatable="false">Element is also great for the workplace. It’s trusted by the world’s most secure organisations.</string>
+    <!-- Note to translators: the translation MUST contain the string "${app_name}", which will be replaced by the application name -->
+    <string name="template_ftue_auth_carousel_body_workplace" translatable="false">${app_name} is also great for the workplace. It’s trusted by the world’s most secure organisations.</string>
 
     <string name="ftue_auth_use_case_title" translatable="false">Who will you chat to the most?</string>
     <string name="ftue_auth_use_case_subtitle" translatable="false">We\'ll help you get connected.</string>

vector/src/main/res/values/strings.xml

@@ -2521,12 +2521,16 @@
 
     <!--  Onboarding -->
     <string name="ftue_auth_carousel_1_title">Own your conversations.</string>
+    <!-- TODO TO BE REMOVED -->
     <string name="ftue_auth_carousel_1_body">End-to-end encrypted messaging for secure and independent communication, connected via Matrix.</string>
     <string name="ftue_auth_carousel_2_title">You\'re in control.</string>
+    <!-- TODO TO BE REMOVED -->
     <string name="ftue_auth_carousel_2_body">Element lets you choose where your messages are stored, keeping you in control of your data.</string>
     <string name="ftue_auth_carousel_3_title">Secure Messaging.</string>
+    <!-- TODO TO BE REMOVED -->
     <string name="ftue_auth_carousel_3_body">No phone number required, so you don\'t have to share those details with the outside world. No ads, no datamining.</string>
     <string name="ftue_auth_carousel_4_title">Cut the slack from teams.</string>
+    <!-- TODO TO BE REMOVED -->
     <string name="ftue_auth_carousel_4_body">As universal as email, Element is a completely new type of collaboration.</string>
 
     <string name="login_splash_title">It\'s your conversation. Own it.</string>