Remove host_id and host_type from event form

No longer necessary with setting event hosts in controller

Signed-off-by: Robert Smith <[email protected]>

Author: rsmithlal

app/views/better_together/events/new.html.erb

@@ -1,4 +1,4 @@
 <div class="container mt-5">
   <h1 class="mb-4">New Event</h1>
-  <%= render 'form', event: @event, host_id: @host_id, host_type: @host_type %>
-</div>
+  <%= render 'form', event: @event %>
+</div>