Sort sample inputs by year

sample_inputs/2020_10.01.input

@@ -1,11 +0,0 @@
-16
-10
-15
-5
-1
-11
-7
-19
-6
-12
-4

sample_inputs/2020_10.02.input

@@ -1,31 +0,0 @@
-28
-33
-18
-42
-31
-14
-46
-20
-48
-47
-24
-23
-49
-45
-19
-38
-39
-11
-1
-32
-25
-35
-8
-17
-7
-9
-4
-2
-34
-10
-3

sample_inputs/2021_14.input

@@ -1,18 +0,0 @@
-NNCB
-
-CH -> B
-HH -> N
-CB -> H
-NH -> C
-HB -> C
-HC -> B
-HN -> C
-NN -> C
-BH -> H
-NC -> B
-NB -> B
-BN -> B
-BB -> N
-BC -> B
-CC -> N
-CN -> C