fix!: remove pubsub #4849

Job	Run time
Build	3m 29s
Test example js-libp2p-example-chat	3m 31s
Test example js-libp2p-example-browser-pubsub	4m 9s
Test example js-libp2p-example-connection-encryption	2m 52s
Test example js-libp2p-example-circuit-relay	3m 24s
Test example js-libp2p-example-custom-protocols	1m 31s
Test example js-libp2p-example-delegated-routing	2m 56s
Test example js-libp2p-example-peer-and-content-routing	2m 41s
Test example js-libp2p-example-discovery-mechanisms	5m 4s
Test example js-libp2p-example-transports	3m 4s
Test example js-libp2p-example-protocol-and-stream-muxing	2m 4s
Test example js-libp2p-example-pnet	2m 44s
Test example js-libp2p-example-pubsub	2m 58s
Test example js-libp2p-example-webrtc-private-to-private	3m 11s
	43m 38s

Provide feedback