ignore: remove demo plugin

.opencode/plugin/example.ts

@@ -1,10 +0,0 @@
-import { Plugin } from "../../packages/plugin/src/index"
-
-export const ExamplePlugin: Plugin = async ({ app, client, $ }) => {
-  return {
-    permission: {},
-    async "chat.params"(input, output) {
-      output.topP = 1
-    },
-  }
-}