tree-wide: remove legacy platform_shared_get() #23747

Job	Run time
manifest-check	2m 38s
LP64-WIP	3m 46s
build-windows (mnfst, lnl)	8m 14s
build-windows (mnfst, imx8 imx8x)	7m 42s
build-windows (mnfst, ptl)	9m 26s
build-windows (mnfst, mtl)	8m 26s
build-windows (mnfst, tgl)	7m 51s
build-windows (mnfst, imx8m imx8ulp)	9m 56s
build-windows (-d, mnfst, lnl)	8m 35s
build-windows (mnfst, tgl-h)	8m 23s
build-linux (mnfst, imx8m imx8ulp)	4m 30s
build-linux (mnfst, mtl)	3m 56s
build-linux (mnfst, imx8 imx8x)	4m 35s
build-linux (mnfst, lnl)	4m 16s
build-linux (mnfst, ptl)	5m 35s
build-linux (-d, mnfst, lnl)	4m 27s
build-linux (mnfst, tgl)	4m 10s
build-linux (mnfst, tgl-h)	4m 9s
build-linux (mnfst, wcl imx95)	6m 5s
compare-linux-win	30s
	1h 57m 10s

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