refactor: cleans up scripts folder #1550

Job	Run time
Install on Node.js v18	20s
Install on Node.js v20	10s
Lint on Node.js v18	36s
Test (Unit) on Node.js v18	40s
Lint on Node.js v20	44s
Audit on Node.js v18	11s
Test (Unit) on Node.js v20	37s
Test (Integration) on Node.js v18	10m 21s
Audit on Node.js v20	17s
Test (Integration) on Node.js v20	10m 25s
Test (Integration) on Node.js v18 with L3	11m 39s
Test (Integration) on Node.js v20 with L3	11m 39s
Test (Integration) on Node.js v18 with L3 with custom gas token (16 decimals)	12m 11s
Test (Integration) on Node.js v20 with L3 with custom gas token (16 decimals)	12m 20s
Test (Integration) on Node.js v18 with L3 with custom gas token (18 decimals)	12m 1s
Test (Integration) on Node.js v20 with L3 with custom gas token (18 decimals)	11m 59s
Test (Integration) on Node.js v18 with L3 with custom gas token (20 decimals)	12m 20s
Test (Integration) on Node.js v20 with L3 with custom gas token (20 decimals)	12m 17s
	2h 0m 47s

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