collect: fix reading collect config

eval is not needed here
9 jobs for feat/collect_no_du in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS.Eggs.UnitTest-Jerome.Python2

00:20:57

passed SlapOS.Eggs.UnitTest-Jerome.Python3

00:19:28

passed SlapOS.Eggs.UnitTest-Jerome.Python2

00:33:09

passed SlapOS.Eggs.UnitTest-Jerome.Python2

00:24:47

failed SlapOS.Eggs.UnitTest-Jerome.Python2

00:44:48

failed SlapOS.Eggs.UnitTest-Jerome.Python2

00:25:44

passed SlapOS.Eggs.UnitTest-Jerome.Python3

00:55:04

passed SlapOS.Eggs.UnitTest-Jerome.Python3

00:37:00

passed SlapOS.Eggs.UnitTest-Jerome.Python3

00:43:22