chore(pubsub): enable eslint and remove tslint #4426

Job	Run time
prebuild	4m 21s
github-actions-test / Github Action format test	1m 28s
license-test / License tests	1m 33s
bundle-size-tests / Bundle size tests	2m 47s
dependency-review / Dependency Review	5s
tsc-compliance-test / TSC Compliance Test	1m 36s
unit-tests / get-package-list / Get packages list	1m 32s
unit-tests / Unit Test - @aws-amplify/adapter-nextjs	2m 6s
unit-tests / Unit Test - @aws-amplify/analytics	2m 14s
unit-tests / Unit Test - @aws-amplify/api	1m 45s
unit-tests / Unit Test - @aws-amplify/api-graphql	2m 9s
unit-tests / Unit Test - @aws-amplify/api-rest	1m 49s
unit-tests / Unit Test - @aws-amplify/auth	3m 8s
unit-tests / Unit Test - aws-amplify	1m 58s
unit-tests / Unit Test - @aws-amplify/core	2m 30s
unit-tests / Unit Test - @aws-amplify/datastore	6m 4s
unit-tests / Unit Test - @aws-amplify/datastore-storage-adapter	2m 0s
unit-tests / Unit Test - @aws-amplify/geo	1m 48s
unit-tests / Unit Test - @aws-amplify/interactions	1m 52s
unit-tests / Unit Test - @aws-amplify/notifications	2m 11s
unit-tests / Unit Test - @aws-amplify/predictions	2m 1s
unit-tests / Unit Test - @aws-amplify/pubsub	1m 56s
unit-tests / Unit Test - @aws-amplify/react-native	1m 31s
unit-tests / Unit Test - @aws-amplify/rtn-push-notification	1m 36s
unit-tests / Unit Test - @aws-amplify/rtn-web-browser	1m 30s
unit-tests / Unit Test - @aws-amplify/storage	2m 4s
Unit and Bundle tests have passed	1s
ci - Unit and Bundle tests have passed	1s
	55m 36s

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