fix(grafana_terraform): fix subject section

Author: abolfazl8131

app/template_generators/terraform/tfvars/grafana.py

@@ -77,7 +77,7 @@ def grafana_tfvars(input):
 email_contact_point = {{
   addresses               = ["[email protected]", "[email protected]"]
   message                 = "{{ len .Alerts.Firing }} firing."
-  subject                 = "{{ template \"default.title\" .}}"
+  subject                 = "{subject}"
   single_email            = true
   disable_resolve_message = false
 }}
@@ -132,7 +132,7 @@ def grafana_tfvars(input):
 email_contact_point = {{
   addresses               = ["[email protected]", "[email protected]"]
   message                 = "{{ len .Alerts.Firing }} firing."
-  subject                 = "{{ template \"default.title\" .}}"
+  subject                 = "{subject}"
   single_email            = true
   disable_resolve_message = false
 }}