gsl update to 2.6 (#4381)

packages/gsl.rb

@@ -3,23 +3,11 @@ require 'package'
 class Gsl < Package
   description 'The GNU Scientific Library (GSL) is a numerical library for C and C++ programmers.'
   homepage 'https://www.gnu.org/software/gsl/'
-  version '2.4'
+  version '2.6'
   compatibility 'all'
-  source_url 'https://ftpmirror.gnu.org/gsl/gsl-2.4.tar.gz'
-  source_sha256 '4d46d07b946e7b31c19bbf33dda6204d7bedc2f5462a1bae1d4013426cd1ce9b'
+  source_url 'https://ftpmirror.gnu.org/gsl/gsl-2.6.tar.gz'
+  source_sha256 'b782339fc7a38fe17689cb39966c4d821236c28018b6593ddb6fd59ee40786a8'
 
-  binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/gsl-2.4-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/gsl-2.4-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/gsl-2.4-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/gsl-2.4-chromeos-x86_64.tar.xz',
-  })
-  binary_sha256 ({
-    aarch64: 'ee85df18a9d127654d37744df379772b18f23b9a6ea1d4c38eb50016bfe7dd27',
-     armv7l: 'ee85df18a9d127654d37744df379772b18f23b9a6ea1d4c38eb50016bfe7dd27',
-       i686: '600d5655dfbcef4bb58980ab4d0bd1b21b1d4e7aa9d2dd16ecaeb2fde7ad9714',
-     x86_64: '865aefb630aae6987c0c4d56bf4c29f3279f61262552b9bec1ae970948b3868a',
-  })
 
   def self.build
     system './configure',