Revert "Option to Notify Workspace Owner When Usage Limit is Reached" (#17391)

Reverts openai/codex#16969

#sev3-2026-04-10-accountscheckversion-500s-for-openai-workspace-7300

codex-rs/mcp-server/src/codex_tool_runner.rs

@@ -339,7 +339,6 @@ async fn run_codex_tool_session_inner(
                     | EventMsg::McpToolCallEnd(_)
                     | EventMsg::McpListToolsResponse(_)
                     | EventMsg::ListSkillsResponse(_)
-                    | EventMsg::AddCreditsNudgeEmailResponse(_)
                     | EventMsg::RealtimeConversationListVoicesResponse(_)
                     | EventMsg::ExecCommandBegin(_)
                     | EventMsg::TerminalInteraction(_)