Update copyright in LICENSE.txt (#538)

ASVG · web-flow · commit 28639a74ba7b · 2021-05-06T19:10:03.000+02:00
Very minor change on the copyright statement
diff --git a/LICENSE.txt b/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright (c) 2016 - 2021, Blue Brain Project/EPFL
+Copyright (c) 2016 - 2021 Blue Brain Project/EPFL
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-Copyright (c) 2016 - 2021, Blue Brain Project/EPFL`
	`1`	`+Copyright (c) 2016 - 2021 Blue Brain Project/EPFL`
`2`	`2`	`All rights reserved.`
`3`	`3`
`4`	`4`	`Redistribution and use in source and binary forms, with or without modification,`