tui: remove extra empty line from exit message logo display

packages/opencode/src/cli/cmd/tui/routes/session/index.tsx

@@ -241,7 +241,6 @@ export function Session() {
     const logo = UI.logo("  ").split(/\r?\n/)
     return exit.message.set(
       [
-        ``,
         `${logo[0] ?? ""}`,
         `${logo[1] ?? ""}`,
         `${logo[2] ?? ""}`,