nixos/kubo: cleanup #280924

Evaluator Performance Report

stat	before	after	Δ	Δ%
cpuTime	521.71	521.60	↘ 0.11	-0.02%
envs-bytes	18,090,957,824	18,090,957,824	0
envs-elements	946,752,130	946,752,130	0
envs-number	657,308,799	657,308,799	0
gc-heapSize	56,509,833,216	56,509,833,216	0
gc-totalBytes	107,833,888,672	107,833,880,256	↘ 8,416	-0.00%
list-bytes	2,554,887,736	2,554,887,736	0
list-concats	55,161,987	55,161,987	0
list-elements	319,360,967	319,360,967	0
nrAvoided	801,841,840	801,841,840	0
nrFunctionCalls	612,423,215	612,423,215	0
nrLookups	318,969,415	318,969,415	0
nrOpUpdateValuesCopied	1,579,892,912	1,579,892,912	0
nrOpUpdates	71,775,052	71,775,052	0
nrPrimOpCalls	303,589,593	303,589,593	0
nrThunks	870,163,420	870,163,420	0
sets-bytes	34,816,638,208	34,816,638,208	0
sets-elements	2,053,109,273	2,053,109,273	0
sets-number	122,930,615	122,930,615	0
sizes-Attr	16	16	0
sizes-Bindings	16	16	0
sizes-Env	16	16	0
sizes-Value	24	24	0
symbols-bytes	2,252,106	2,252,106	0
symbols-number	162,515	162,515	0
values-bytes	27,328,527,240	27,328,527,240	0
values-number	1,138,688,635	1,138,688,635	0