chore: remove libp2p deps from webrtc transport #3711

Job	Run time
Build	3m 20s
Test example js-libp2p-example-browser-pubsub	1m 46s
Test example js-libp2p-example-chat	1m 15s
Test example js-libp2p-example-circuit-relay	55s
Test example js-libp2p-example-connection-encryption	1m 6s
Test example js-libp2p-example-custom-protocols	1m 3s
Test example js-libp2p-example-delegated-routing	2m 40s
Test example js-libp2p-example-discovery-mechanisms	1m 27s
Test example js-libp2p-example-peer-and-content-routing	1m 41s
Test example js-libp2p-example-pnet	1m 6s
Test example js-libp2p-example-protocol-and-stream-muxing	1m 1s
Test example js-libp2p-example-pubsub	1m 10s
Test example js-libp2p-example-transports	1m 28s
Test example js-libp2p-example-webrtc-private-to-private	1m 52s
	21m 50s

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