Revert "init: support 2SI devices with skip_initramfs" #4569

Job	Run time
Build Magisk artifacts	15m 32s
Test building on windows-latest	7m 12s
Test building on ubuntu-latest	4m 27s
Test aosp_cf_x86_64_phone	5m 22s
Test API 23 (x86_64)	3m 6s
Test aosp_cf_x86_64_phone_pgagnostic	6m 29s
Test API 23 (x86)	2m 35s
Test API 24 (x86_64)	3m 0s
Test API 24 (x86)	2m 3s
Test API 25 (x86_64)	2m 34s
Test API 25 (x86)	2m 2s
Test API 26 (x86_64)	3m 20s
Test API 26 (x86)	3m 14s
Test API 27 (x86_64)	3m 34s
Test API 27 (x86)	3m 34s
Test API 28 (x86_64)	3m 42s
Test API 28 (x86)	3m 23s
Test API 29 (x86_64)	3m 32s
Test API 29 (x86)	3m 7s
Test API 30 (x86_64)	3m 57s
Test API 30 (x86)	5m 24s
Test API 31 (x86_64)	3m 45s
Test API 32 (x86_64)	4m 1s
Test API 33 (x86_64)	4m 12s
Test API 34 (x86_64)	3m 57s
Test API 35 (x86_64)	4m 30s
	1h 51m 34s

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