Reword ‘send emails’ to ‘upload recipients’

…and change the page heading on next page to match.

‘Send emails’ doesn’t speak to you if you already have the idea of a
file or address book in mind. ‘Upload’ better describes what you’re
going to do on the next page.

Also makes all the links regular weight, because having the first one
bold looked like a heading.

app/assets/stylesheets/components/message.scss

@@ -29,10 +29,6 @@
 
     }
 
-    .primary {
-      @include bold-19;
-    }
-
   }
 
 }

app/templates/views/send.html

@@ -11,7 +11,7 @@
 
 {% block maincolumn_content %}
 
-  <h1 class="heading-large">Send {{ 'text messages' if 'sms' == template.template_type else 'emails' }}</h1>
+  <h1 class="heading-large">Upload recipients</h1>
 
   {% if 'sms' == template.template_type %}
     <div class="grid-row">
@@ -35,7 +35,7 @@
   <div class="page-footer bottom-gutter">
     {{file_upload(
       form.file,
-      button_text='Upload a file of recipients'
+      button_text='Choose a file'
     )}}
   </div>
 

app/templates/views/templates/_template.html

@@ -24,7 +24,7 @@
     <div class="message-use-links{% if show_title %}-with-title{% endif %}">
       {% if current_user.has_permissions(permissions=['send_texts', 'send_emails', 'send_letters']) %}
         <a href="{{ url_for(".send_messages", service_id=current_service.id, template_id=template.id) }}" class="primary">
-          Send {{ 'text messages' if 'sms' == template.template_type else 'emails' }}
+          Upload recipients
         </a>
       <a href="{{ url_for(".send_test", service_id=current_service.id, template_id=template.id) }}">
         Send yourself a test