chore(root): Remove notification center #6366

Job	Run time
Dependency review	10s
Spell check	27s
Find LaunchDarkly feature flags in diff	47s
Get Affected Packages	1m 32s
Unit test @novu internal packages	3m 22s
Unit test @novu public NPM packages (except providers)	7m 19s
Unit test @novu/providers	0s
Validate OpenAPI	2m 51s
Unit test backend services (@novu/worker)	2m 54s
Unit test backend services (@novu/api)	4m 37s
Unit test backend services (@novu/inbound-mail)	2m 51s
Unit test backend services (@novu/ws)	2m 49s
Unit test backend services (nestjs)	1m 54s
E2E test Dashboard app / e2e_dashboard (1, 4)	11m 42s
E2E test Dashboard app / e2e_dashboard (2, 4)	12m 21s
E2E test Dashboard app / e2e_dashboard (3, 4)	11m 45s
E2E test Web app / e2e_web (1, 4)	11m 40s
E2E test Dashboard app / e2e_dashboard (4, 4)	12m 22s
E2E test Web app / e2e_web (2, 4)	11m 44s
E2E test Web app / e2e_web (3, 4)	11m 46s
E2E test Web app / e2e_web (4, 4)	12m 37s
E2E test API (novu/api-ee) / Check if the secret exists or not.	1s
E2E test API (novu/api) / Check if the secret exists or not.	1s
E2E test API (novu/api-ee) / Test E2E	11m 40s
E2E test API (novu/api) / Test E2E	11m 49s
E2E test Dashboard app / merge-reports	16s
E2E test Web app / merge-reports	15s
	2h 31m 32s

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