fix!: resolve lint issue

BREAKING CHNAGE: Marking this one as the "breaking change" because I need to do so
for the automation to bump the major version on release.

Author: naomi-lgbt

src/packages/AgentLiveClient.ts

@@ -3,7 +3,6 @@ import { AgentEvents } from "../lib/enums/AgentEvents";
 import { DeepgramError } from "../lib/errors";
 import type {
   AgentLiveSchema,
-  SpeakModel,
   DeepgramClientOptions,
   FunctionCallResponse,
 } from "../lib/types";