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/eu.yml

@@ -698,9 +698,6 @@ eu:
     no_account_html: Ez duzu konturik? <a href='%{sign_up_path}' target='_blank'>Izena eman</a> dezakezu
     proceed: Ekin jarraitzeari
     prompt: 'Hau jarraituko duzu:'
-  remote_interaction:
-    proceed: Jarraitu interakziora
-    prompt: 'Toot honekin interakzioa nahi duzu:'
   remote_unfollow:
     error: Errorea
     title: Izenburua