Update metadata to reflect recent changes

Build.PL

@@ -16,6 +16,7 @@ my $builder = Module::Build->new(
         'Getopt::Long'                  => 0,
         'locale'                        => 0,
         'LWP::UserAgent'                => 0,
+        'Module::CoreList'              => 0,
         'Module::ExtractUse'            => 0,
         'POSIX'                         => 0,
         'Parse::CPAN::Packages'         => 0,
@@ -26,7 +27,6 @@ my $builder = Module::Build->new(
     },
     script_files => [
         'cpanspec',
-        'cpanget',
     ],
 );