refactor(npm): remove unused outdated function

Author: ghost91-

packages/opencode/src/npm/index.ts

@@ -1,4 +1,3 @@
-import semver from "semver"
 import z from "zod"
 import { NamedError } from "@opencode-ai/util/error"
 import { Global } from "../global"
@@ -41,26 +40,6 @@ export namespace Npm {
     return result
   }
 
-  export async function outdated(pkg: string, cachedVersion: string): Promise<boolean> {
-    const response = await fetch(`https://registry.npmjs.org/${pkg}`)
-    if (!response.ok) {
-      log.warn("Failed to resolve latest version, using cached", { pkg, cachedVersion })
-      return false
-    }
-
-    const data = (await response.json()) as { "dist-tags"?: { latest?: string } }
-    const latestVersion = data?.["dist-tags"]?.latest
-    if (!latestVersion) {
-      log.warn("No latest version found, using cached", { pkg, cachedVersion })
-      return false
-    }
-
-    const range = /[\s^~*xX<>|=]/.test(cachedVersion)
-    if (range) return !semver.satisfies(latestVersion, cachedVersion)
-
-    return semver.lt(cachedVersion, latestVersion)
-  }
-
   export async function add(pkg: string) {
     const dir = directory(pkg)
     await using _ = await Flock.acquire(`npm-install:${Filesystem.resolve(dir)}`)