GPLv2 examples that can be detected

_licenses/gpl-2.0.txt

@@ -13,8 +13,9 @@ how: Create a text file (typically named LICENSE or LICENSE.txt) in the root of
 note: The Free Software Foundation recommends taking the additional step of adding a boilerplate notice to the top of each file. The boilerplate can be found at the end of the license.
 
 using:
-  - Linux: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/COPYING
-  - WordPress: https://github.com/WordPress/WordPress/blob/master/license.txt
+  - AliSQL: https://github.com/alibaba/AliSQL/blob/master/COPYING
+  - Discourse: https://github.com/discourse/discourse/blob/master/LICENSE.txt
+  - Joomla!: https://github.com/joomla/joomla-cms/blob/staging/LICENSE.txt
 
 permissions:
   - commercial-use

spec/license_meta_spec.rb

@@ -35,7 +35,6 @@ describe 'license meta' do
           'cc-by-4.0',
           'cc-by-sa-4.0',
           'eupl-1.1',
-          'gpl-2.0',
           'lgpl-2.1',
           'lgpl-3.0',
           'lppl-1.3c',