refactor: cleans up scripts folder #1551

Job	Run time
Install on Node.js v18	10s
Install on Node.js v20	10s
Audit on Node.js v18	10s
Test (Unit) on Node.js v18	1m 6s
Lint on Node.js v18	34s
Audit on Node.js v20	11s
Lint on Node.js v20	39s
Test (Integration) on Node.js v18	27m 44s
Test (Unit) on Node.js v20	1m 18s
Test (Integration) on Node.js v20	27m 36s
Test (Integration) on Node.js v18 with L3	21m 51s
Test (Integration) on Node.js v20 with L3	20m 27s
Test (Integration) on Node.js v18 with L3 with custom gas token (16 decimals)	20m 49s
Test (Integration) on Node.js v20 with L3 with custom gas token (16 decimals)	21m 4s
Test (Integration) on Node.js v18 with L3 with custom gas token (18 decimals)	21m 2s
Test (Integration) on Node.js v20 with L3 with custom gas token (18 decimals)	20m 59s
Test (Integration) on Node.js v18 with L3 with custom gas token (20 decimals)	20m 46s
Test (Integration) on Node.js v20 with L3 with custom gas token (20 decimals)	20m 58s
	3h 47m 34s

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