fix(transport): remove listeners of AbortSignal to prevent memory leaks #2271

Job	Run time
build-web	3m 56s
e2e-test-suite-web (@group_suite, trezor-user-env-unix, 1)	23m 30s
e2e-test-suite-web (@group_device-management, trezor-user-env-unix, 1)	21m 15s
e2e-test-suite-web (@group_settings, trezor-user-env-unix, 1)	27m 14s
e2e-test-suite-web (@group_metadata, trezor-user-env-unix, 1)	28m 35s
e2e-test-suite-web (@group_passphrase, trezor-user-env-unix, 1)	18m 47s
e2e-test-suite-web (@group_other, trezor-user-env-unix, 1)	8m 51s
e2e-test-suite-web (@group_wallet, trezor-user-env-unix bitcoin-regtest, 1)	37m 28s
e2e-test-suite-web (@group_firmware-update, trezor-user-env-unix)	2m 45s
	2h 52m 21s

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