Follow-up to email template for forum notifications after testing in stage

lms/djangoapps/discussion/templates/discussion/edx_ace/responsenotification/email/body.html

@@ -8,7 +8,7 @@
         <td>
             <p>
                 {% blocktrans trimmed %}
-                    {{ comment_username }} replied to your <b>{{ thread_title }}</b> post
+                    {{ comment_username }} replied to <b>{{ thread_title }}</b>:
                 {% endblocktrans %}
             </p>
 

lms/djangoapps/discussion/templates/discussion/edx_ace/responsenotification/email/body.txt

@@ -2,7 +2,7 @@
 
 {% block content %}
 {% blocktrans trimmed %}
-    {{ comment_username }} replied to your <b>{{ thread_title }}</b> post
+    {{ comment_username }} replied to <b>{{ thread_title }}</b>:
 {% endblocktrans %}
 
 {{ comment_body }}

lms/djangoapps/discussion/templates/discussion/edx_ace/responsenotification/email/subject.txt

 {% load i18n %}
 
-{% blocktrans trimmed %}
-    Response to your {{ thread_title }} post
-{% endblocktrans %}
\ No newline at end of file
+{% blocktrans %}Response to {{ thread_title }}{% endblocktrans %}
\ No newline at end of file