nixos/timezone: stop using mode direct-symlink for linking localtime #284641

Evaluator Performance Report

stat	before	after	Δ	Δ%
cpuTime	556.36	541.03	↘ 15.34	-2.76%
envs-bytes	18,848,283,704	18,848,283,704	0
envs-elements	984,971,457	984,971,457	0
envs-number	685,532,003	685,532,003	0
gc-heapSize	56,593,715,200	56,593,715,200	0
gc-totalBytes	111,755,785,712	111,755,772,704	↘ 13,008	-0.00%
list-bytes	2,785,396,200	2,785,396,200	0
list-concats	59,046,127	59,046,127	0
list-elements	348,174,525	348,174,525	0
nrAvoided	835,064,021	835,064,021	0
nrFunctionCalls	638,272,213	638,272,213	0
nrLookups	333,642,867	333,642,867	0
nrOpUpdateValuesCopied	1,627,203,413	1,627,203,413	0
nrOpUpdates	74,001,420	74,001,420	0
nrPrimOpCalls	316,391,738	316,391,738	0
nrThunks	903,027,358	903,027,358	0
sets-bytes	35,952,254,864	35,952,254,864	0
sets-elements	2,118,540,512	2,118,540,512	0
sets-number	128,475,417	128,475,417	0
sizes-Attr	16	16	0
sizes-Bindings	16	16	0
sizes-Env	16	16	0
sizes-Value	24	24	0
symbols-bytes	2,268,593	2,268,593	0
symbols-number	164,019	164,019	0
values-bytes	28,358,132,568	28,358,132,568	0
values-number	1,181,588,857	1,181,588,857	0