Remove deprecated is_license_text plugin

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

CHANGELOG.rst

@@ -175,13 +175,16 @@ License detection:
 
   - See https://github.com/nexB/scancode-toolkit/issues/3049
 
-- Theer is a new ``--get-license-data`` scancode command line option to export
+- There is a new ``--get-license-data`` scancode command line option to export
   license data in JSON, YAML and HTML, with indexes and a static website for use
   in the licensedb web site. This becomes the  API way to getr scancode license
   data.
 
   See https://github.com/nexB/scancode-toolkit/issues/2738
 
+- The deprecated "--is-license-text" option has been removed.
+  This is now built-in with the --license-text option and --info
+  and exposed with the "percentage_of_license_text" attribute.
 
 
 v31.2.3 - 2022-12-24

src/licensedcode/plugin_license_text.py

@@ -29,8 +29,12 @@ def test_is_licensing_works():
     result_file = test_env.get_temp_file('json')
     args = [
         '--license', '--license-text',
-        '--is-license-text', '--info',
+        '--info',
         test_dir, '--json-pp', result_file, '--verbose']
     run_scan_click(args)
-    check_json_scan(test_env.get_test_loc('plugin_license_text/scan.expected.json'),
-                    result_file, remove_file_date=True, regen=REGEN_TEST_FIXTURES)
+    check_json_scan(
+        test_env.get_test_loc('plugin_license_text/scan.expected.json'),
+        result_file,
+        remove_file_date=True,
+        regen=REGEN_TEST_FIXTURES,
+    )