feat: remove focusRedesignOptOut feature flag #16167

Job	Run time
Lint	2m 32s
Test with Node 18 (1, 4)	2m 35s
Test with Node 18 (2, 4)	2m 3s
Test with Node 18 (3, 4)	2m 15s
Test with Node 18 (4, 4)	1m 49s
Test with Node 20 (1, 4)	2m 20s
Test with Node 20 (2, 4)	1m 46s
Test with Node 20 (3, 4)	2m 4s
Test with Node 20 (4, 4)	1m 28s
Get global coverage thresholds	4s
Check global coverage with Node 18	36s
Check global coverage with Node 20	30s
	20m 2s

Provide feedback