deprecate string

src/main/res/values/strings.xml

@@ -933,6 +933,8 @@
     <string name="chat_protection_broken_explanation">End-to-end encryption cannot be guaranteed anymore, likely because %1$s reinstalled Delta Chat or sent a message from another device.\n\nYou may meet them in person and scan their QR code again to reestablish guaranteed end-to-end encryption.</string>
     <string name="invalid_unencrypted_tap_to_learn_more">⚠️ %1$s requires end-to-end encryption which is not setup for this chat yet. Tap to learn more.</string>
     <string name="invalid_unencrypted_explanation">To establish end-to-end-encryption, you may meet contacts in person and scan their QR Code to introduce them.</string>
+    <!-- deprecated -->
+    <string name="encryption_required_for_new_contact">End-to-end encryption is required but it is not setup for %1$s yet.\n\nYou may share your invite link with them or meet in person and scan their QR Code.</string>
     <string name="learn_more">Learn More</string>
 
     <string name="devicemsg_self_deleted">You deleted the \"Saved messages\" chat.\n\nℹ️ To use the \"Saved messages\" feature again, create a new chat with yourself.</string>