removal email template

src/registrar/templates/emails/portfolio_admin_removal_notification.txt

@@ -0,0 +1,33 @@
+{% autoescape off %}{# In a text file, we don't want to have HTML entities escaped #}
+Hi,{% if portfolio_admin and portfolio_admin.first_name %} {{ portfolio_admin.first_name }}.{% endif %}
+
+An admin was removed from your .gov organization.
+
+ORGANIZATION: {{ portfolio.organization_name }} 
+REMOVED BY: {{ requestor_email }}
+REMOVED ON: {{date}}
+ADMIN REMOVED: {{ removed_email_address }}
+
+You can view this update by going to the Members section for your .gov organization <https://manage.get.gov/>.
+
+----------------------------------------------------------------
+
+WHY DID YOU RECEIVE THIS EMAIL? 
+You’re listed as an admin for {{ portfolio.organization_name }}. That means you'll receive a notification
+whenever an admin is removed from that organization.
+
+If you have questions or concerns, reach out to the person who removed the admin or reply to this email.
+
+
+THANK YOU
+.Gov helps the public identify official, trusted information. Thank you for using a .gov domain.
+
+----------------------------------------------------------------
+
+The .gov team
+Contact us: <https://get.gov/contact/>
+Learn about .gov <https://get.gov>
+
+The .gov registry is a part of the Cybersecurity and Infrastructure Security Agency
+(CISA) <https://cisa.gov/>
+{% endautoescape %}

src/registrar/templates/emails/portfolio_admin_removal_notification_subject.txt

@@ -0,0 +1 @@
+An admin was removed from your .gov organization