chore: drop dead imports across opencode/core/llm (#28720)

packages/opencode/src/session/processor.ts

@@ -21,7 +21,6 @@ import { Question } from "@/question"
 import { errorMessage } from "@/util/error"
 import * as Log from "@opencode-ai/core/util/log"
 import { isRecord } from "@/util/record"
-import { EventV2 } from "@opencode-ai/core/event"
 import { EventV2Bridge } from "@/event-v2-bridge"
 import { SessionEvent } from "@opencode-ai/core/session-event"
 import { ModelV2 } from "@opencode-ai/core/model"

packages/opencode/src/session/prompt.ts

@@ -47,7 +47,6 @@ import { InstanceState } from "@/effect/instance-state"
 import { TaskTool, type TaskPromptOps } from "@/tool/task"
 import { SessionRunState } from "./run-state"
 import { RuntimeFlags } from "@/effect/runtime-flags"
-import { EventV2 } from "@opencode-ai/core/event"
 import { EventV2Bridge } from "@/event-v2-bridge"
 import { SessionEvent } from "@opencode-ai/core/session-event"
 import { ModelV2 } from "@opencode-ai/core/model"

packages/opencode/src/session/session.ts

@@ -5,7 +5,6 @@ import { BackgroundJob } from "@/background/job"
 import { BusEvent } from "@/bus/bus-event"
 import { Bus } from "@/bus"
 import { Decimal } from "decimal.js"
-import { Flag } from "@opencode-ai/core/flag/flag"
 import type { ProviderMetadata, Usage } from "@opencode-ai/llm"
 import { InstallationVersion } from "@opencode-ai/core/installation/version"