Fix html tags on the email content (#4090)

bims/templates/csv_download/csv_created_message.txt

@@ -2,6 +2,4 @@
 You have received the following notice from {{ current_site }}:
 
 
-<p>
-    {% trans "Your requested csv file has been compiled and is now ready, please find the attached file." %}
-</p>
+{% trans "Your requested csv file has been compiled and is now ready, please find the attached file." %}

bims/templates/csv_download/csv_new_message.txt

@@ -1,16 +1,11 @@
 {% load i18n %}
 You have received the following notice from {{ current_site }}:
 
-<p>
+
 {% trans "A new download request has been created " %} :
-</p>
-<p>
 Requester : {{ username }}
-</p>
-<p>
 Request date : {{ date_request }}
-</p>
-<p></p>
-<p>
+
+
 {% trans "Approve or decline the request by following this link" %}: http://{{ current_site }}/download-request/
-</p>
+

bims/templates/csv_download/csv_new_message_without_approval.txt

@@ -1,16 +1,10 @@
 {% load i18n %}
 You have received the following notice from {{ current_site }}:
 
-<p>
+
 {% trans "A new download request has been created and approved automatically" %} :
-</p>
-<p>
 Requester : {{ username }}
-</p>
-<p>
 Request date : {{ date_request }}
-</p>
-<p></p>
-<p>
+
+
 {% trans "See the request here" %}: http://{{ current_site }}/download-request/?approved_or_rejected=approved&requester=
-</p>

bims/templates/csv_download/csv_rejected_message.txt

@@ -2,10 +2,8 @@
 You have received the following notice from {{ current_site }}:
 
 
-<p>
-    {% if not rejection_message %}
-        {% trans "Sorry, your request cannot be accepted." %}
-    {% else %}
-        {{ rejection_message }}
-    {% endif %}
-</p>
+{% if not rejection_message %}
+    {% trans "Sorry, your request cannot be accepted." %}
+{% else %}
+    {{ rejection_message }}
+{% endif %}