update scalasca to latest version, simplify recipe (spack#11999)

add list_url for use with spack checksum

var/spack/repos/builtin/packages/scalasca/package.py

@@ -18,22 +18,26 @@ class Scalasca(AutotoolsPackage):
 
     homepage = "http://www.scalasca.org"
     url = "http://apps.fz-juelich.de/scalasca/releases/scalasca/2.1/dist/scalasca-2.1.tar.gz"
+    list_url = "https://scalasca.org/scalasca/front_content.php?idart=1072"
 
+    version('2.5', sha256='7dfa01e383bfb8a4fd3771c9ea98ff43772e415009d9f3c5f63b9e05f2dde0f6')
     version('2.4',   '4a895868258030f700a635eac93d36764f60c8c63673c7db419ea4bcc6b0b760')
     version('2.3.1', 'a83ced912b9d2330004cb6b9cefa7585')
     version('2.2.2', '2bafce988b0522d18072f7771e491ab9')
     version('2.1',   'bab9c2b021e51e2ba187feec442b96e6')
 
     depends_on("mpi")
 
-    # version 2.4
+    # version 2.4+
     depends_on('cubew@4.4:', when='@2.4:')
 
+    # version 2.3+
+    depends_on('otf2@2:', when='@2.3:')
+
     # version 2.3
     depends_on('cube@4.3', when='@2.3:2.3.99')
-    depends_on('otf2@2:', when='@2.3:')
 
-    # version 2.1+
+    # version 2.1 - 2.2
     depends_on('cube@4.2', when='@2.1:2.2.999')
     depends_on('otf2@1.4', when='@2.1:2.2.999')