Remove usage of `sp-std` on templates #3472

Job	Run time
set-image	9s
set-image	9s
check-runtime-migration (asset-hub-westend)	2m 15s
check-runtime-migration (asset-hub-westend)	4m 11s
check-runtime-migration (asset-hub-rococo)	21m 20s
check-runtime-migration (asset-hub-rococo)	21m 20s
check-runtime-migration (bridge-hub-westend)	2m 14s
check-runtime-migration (bridge-hub-westend)	4m 1s
check-runtime-migration (bridge-hub-rococo)	4m 57s
check-runtime-migration (bridge-hub-rococo)	4m 57s
check-runtime-migration (contracts-rococo)	8m 51s
check-runtime-migration (contracts-rococo)	8m 51s
check-runtime-migration (collectives-westend)	4m 18s
check-runtime-migration (collectives-westend)	4m 18s
check-runtime-migration (coretime-rococo)	4m 58s
check-runtime-migration (coretime-rococo)	4m 58s
	1h 41m 47s

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