Remove obsolete pairing connection attempt (#13460)

mobile/src/transport/pairing-connection-attempt.test.ts

@@ -1,41 +0,0 @@
-import { afterEach, describe, expect, it, vi } from 'vitest'
-import { startPairingConnectionAttempt } from './pairing-connection-attempt'
-
-describe('pairing connection attempt cleanup', () => {
-  afterEach(() => {
-    vi.useRealTimers()
-  })
-
-  it('closes the temporary client when the overall pairing timeout fires', () => {
-    vi.useFakeTimers()
-    const closeClient = vi.fn()
-
-    const attempt = startPairingConnectionAttempt({ timeoutMs: 25_000, closeClient })
-
-    expect(attempt.timedOut).toBe(false)
-    vi.advanceTimersByTime(24_999)
-    expect(closeClient).not.toHaveBeenCalled()
-
-    vi.advanceTimersByTime(1)
-    expect(attempt.timedOut).toBe(true)
-    expect(closeClient).toHaveBeenCalledTimes(1)
-
-    attempt.dispose()
-    expect(closeClient).toHaveBeenCalledTimes(1)
-  })
-
-  it('clears the timeout and closes the temporary client when disposed early', () => {
-    vi.useFakeTimers()
-    const closeClient = vi.fn()
-
-    const attempt = startPairingConnectionAttempt({ timeoutMs: 25_000, closeClient })
-    attempt.dispose()
-
-    expect(attempt.timedOut).toBe(false)
-    expect(closeClient).toHaveBeenCalledTimes(1)
-
-    vi.advanceTimersByTime(25_000)
-    expect(attempt.timedOut).toBe(false)
-    expect(closeClient).toHaveBeenCalledTimes(1)
-  })
-})

mobile/src/transport/pairing-connection-attempt.ts

@@ -1,50 +0,0 @@
-export type PairingConnectionAttempt = {
-  readonly timedOut: boolean
-  dispose: () => void
-}
-
-export function startPairingConnectionAttempt({
-  timeoutMs,
-  closeClient
-}: {
-  timeoutMs: number
-  closeClient: () => void
-}): PairingConnectionAttempt {
-  let disposed = false
-  let clientClosed = false
-  let timedOut = false
-  let timer: ReturnType<typeof setTimeout> | null = null
-
-  function closeClientOnce() {
-    if (clientClosed) {
-      return
-    }
-    clientClosed = true
-    closeClient()
-  }
-
-  function dispose() {
-    if (disposed) {
-      return
-    }
-    disposed = true
-    if (timer) {
-      clearTimeout(timer)
-      timer = null
-    }
-    closeClientOnce()
-  }
-
-  timer = setTimeout(() => {
-    timer = null
-    timedOut = true
-    dispose()
-  }, timeoutMs)
-
-  return {
-    get timedOut() {
-      return timedOut
-    },
-    dispose
-  }
-}