GUACAMOLE-2139: Add automatic retrieval of license information where absent. Remove unused license info.

doc/licenses/reserved-words/LICENSE

@@ -2,8 +2,10 @@
 # URL:     https://github.com/qfox/reserved-words/
 # From:    'Alexej Yaroshevich and other contributors'
 # License: MIT
+# Source:  https://raw.githubusercontent.com/qfox/reserved-words/refs/tags/v${VERSION}/LICENSE
+# Source:  https://raw.githubusercontent.com/qfox/reserved-words/refs/tags/${VERSION}/LICENSE
 #
-# --- BEGIN LICENSE FILE ---
+# --- BEGIN LICENSE FILE [0.1.2] ---
 The MIT License (MIT)
 
 Copyright 2015 Alexej Yaroshevich and other contributors
@@ -26,4 +28,4 @@ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-# --- END LICENSE FILE ---
+# --- END LICENSE FILE [0.1.2] ---