Revert "Support for Embeded chat (#9129)" (#10017)

This reverts commit 3fcecd521a.

web/saml.go

@@ -32,7 +32,6 @@ func loginWithSaml(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 	action := r.URL.Query().Get("action")
 	redirectTo := r.URL.Query().Get("redirect_to")
-	extensionId := r.URL.Query().Get("extension_id")
 	relayProps := map[string]string{}
 	relayState := ""
 
@@ -48,15 +47,6 @@ func loginWithSaml(c *Context, w http.ResponseWriter, r *http.Request) {
 		relayProps["redirect_to"] = redirectTo
 	}
 
-	if len(extensionId) != 0 {
-		relayProps["extension_id"] = extensionId
-		err := c.App.ValidateExtension(extensionId)
-		if err != nil {
-			c.Err = err
-			return
-		}
-	}
-
 	if len(relayProps) > 0 {
 		relayState = b64.StdEncoding.EncodeToString([]byte(model.MapToJson(relayProps)))
 	}
@@ -152,13 +142,6 @@ func completeSaml(c *Context, w http.ResponseWriter, r *http.Request) {
 		switch action {
 		case model.OAUTH_ACTION_MOBILE:
 			ReturnStatusOK(w)
-		case model.OAUTH_ACTION_CLIENT:
-			err = c.App.SendMessageToExtension(w, relayProps["extension_id"], c.App.Session.Token)
-
-			if err != nil {
-				c.Err = err
-				return
-			}
 		case model.OAUTH_ACTION_EMAIL_TO_SSO:
 			http.Redirect(w, r, c.GetSiteURLHeader()+"/login?extra=signin_change", http.StatusFound)
 		default: