refactor: cleans up scripts folder #1552

Job	Run time
Install on Node.js v18	17s
Install on Node.js v20	9s
Test (Unit) on Node.js v18	1m 8s
Lint on Node.js v18	56s
Audit on Node.js v18	14s
Test (Unit) on Node.js v20	1m 12s
Lint on Node.js v20	52s
Test (Integration) on Node.js v18	27m 41s
Audit on Node.js v20	14s
Test (Integration) on Node.js v20	27m 52s
Test (Integration) on Node.js v18 with L3	21m 58s
Test (Integration) on Node.js v20 with L3	21m 59s
Test (Integration) on Node.js v18 with L3 with custom gas token (16 decimals)	21m 6s
Test (Integration) on Node.js v20 with L3 with custom gas token (16 decimals)	20m 53s
Test (Integration) on Node.js v18 with L3 with custom gas token (18 decimals)	20m 58s
Test (Integration) on Node.js v20 with L3 with custom gas token (18 decimals)	20m 58s
Test (Integration) on Node.js v18 with L3 with custom gas token (20 decimals)	20m 51s
Test (Integration) on Node.js v20 with L3 with custom gas token (20 decimals)	20m 59s
	3h 50m 17s

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