PLT-93 cleaing up client side configs

api/templates/post_subject.html

@@ -1 +1 @@
-{{define "post_subject"}}[{{.SiteName}}] {{.Props.TeamDisplayName}} Team Notifications for {{.Props.Month}} {{.Props.Day}}, {{.Props.Year}}{{end}}
+{{define "post_subject"}}[{{.ClientProps.SiteName}}] {{.Props.TeamDisplayName}} Team Notifications for {{.Props.Month}} {{.Props.Day}}, {{.Props.Year}}{{end}}