Clean up zorb icon (#513) #327

Job	Run time
Mints / build / Build	3m 18s
Mints / coverage / Coverage	2m 22s
1155 Contracts / build / Build	8m 34s
1155 Contracts / coverage / Coverage	2m 11s
Protocol Rewards / build / Build	2m 23s
1155 Deployments / build / Build	4m 43s
Protocol Rewards / coverage / Coverage	3m 3s
Protocol Rewards / contract_sizes / Contract sizes	1m 3s
Protocol Rewards / test / Test	1m 17s
Mints / test / Test	1m 2s
Mints / contract_sizes / Contract sizes	1m 17s
1155 Deployments / test / Test	1m 48s
1155 Contracts / contract_sizes / Contract sizes	1m 4s
1155 Contracts / test / Test	1m 27s
1155 Contracts / storage_layout / Storage layout inspection	1m 27s
	36m 59s

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