refactor: replace cond with if in handle_delete_role functions

lib/mv_web/live/role_live/index.ex

@@ -63,20 +63,18 @@ defmodule MvWeb.RoleLive.Index do
   end
 
   defp handle_delete_role(role, id, socket) do
-    cond do
-      role.is_system_role ->
+    if role.is_system_role do
+      {:noreply,
+       put_flash(
+         socket,
+         :error,
+         gettext("System roles cannot be deleted.")
+       )}
+    else
+      user_count = recalculate_user_count(role)
+
+      if user_count > 0 do
         {:noreply,
-         put_flash(
-           socket,
-           :error,
-           gettext("System roles cannot be deleted.")
-         )}
-
-      true ->
-        user_count = recalculate_user_count(role)
-
-        if user_count > 0 do
-          {:noreply,
          put_flash(
            socket,
            :error,
@@ -85,9 +83,9 @@ defmodule MvWeb.RoleLive.Index do
              count: user_count
            )
          )}
-        else
-          perform_role_deletion(role, id, socket)
-        end
+      else
+        perform_role_deletion(role, id, socket)
+      end
     end
   end