Tx Payment: (tests check) drop ED requirements for tx payments with exchangeable asset #333

Job	Run time
set-image	5s
check-runtime-migration (asset-hub-westend)	4m 22s
check-runtime-migration (asset-hub-rococo)	21m 31s
check-runtime-migration (bridge-hub-westend)	4m 21s
check-runtime-migration (bridge-hub-rococo)	4m 25s
check-runtime-migration (contracts-rococo)	9m 18s
check-runtime-migration (collectives-westend)	4m 25s
check-runtime-migration (coretime-rococo)	4m 24s
	52m 51s

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