Change remote interaction dialog to use specific actions (#9743)

* Change remote interaction dialog to use specific actions

Instead of just "interact", use different strings based on whether
it's a reply, reblog or favourite. Add explanation why the step
is necessary in the first place

* Remove obsolete strings

config/locales/cs.yml

@@ -714,9 +714,6 @@ cs:
     no_account_html: Ještě nemáte účet? Můžete se <a href='%{sign_up_path}' target='_blank'>registrovat zde</a>
     proceed: Pokračovat ke sledování
     prompt: 'Budete sledovat:'
-  remote_interaction:
-    proceed: Pokračovat k interakci
-    prompt: 'Chcete interagovat s tímto tootem:'
   remote_unfollow:
     error: Chyba
     title: Nadpis