Revert "fix:subagent reasoningEffort not being applied (#8646)"

This reverts commit f4086ac4596a6a22cc9c5b0f82f81c0068b9d470.

packages/opencode/src/tool/task.ts

@@ -150,7 +150,6 @@ export const TaskTool = Tool.define("task", async (ctx) => {
           providerID: model.providerID,
         },
         agent: agent.name,
-        options: agent.options,
         tools: {
           todowrite: false,
           todoread: false,