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

doc/licenses/apache-commons-pool/NOTICE

@@ -2,21 +2,10 @@
 # URL:     http://commons.apache.org/proper/commons-pool/
 # From:    'Apache Software Foundation' (https://www.apache.org/)
 # License: Apache v2.0
+# Source:  https://raw.githubusercontent.com/apache/commons-pool/refs/tags/rel/commons-pool-${VERSION}/NOTICE.txt
+# Source:  https://raw.githubusercontent.com/apache/commons-pool/refs/tags/commons-pool-${VERSION}/NOTICE.txt
+# Source:  https://raw.githubusercontent.com/apache/commons-pool/refs/tags/POOL_${_VERSION_}/NOTICE.txt
 #
-# --- BEGIN LICENSE FILE [1.5.4] ---
-Apache Commons Pool
-Copyright 1999-2009 The Apache Software Foundation
-
-This product includes software developed by
-The Apache Software Foundation (http://www.apache.org/).
-
- APACHE COMMONS POOL DERIVATIVE WORKS:
-   
-   The LinkedBlockingDeque implementation is based on an implementation written by
-   Doug Lea with assistance from members of JCP JSR-166 Expert Group and released
-   to the public domain, as explained at
-   http://creativecommons.org/licenses/publicdomain
-# --- END LICENSE FILE [1.5.4] ---
 # --- BEGIN LICENSE FILE [2.12.0] ---
 Apache Commons Pool
 Copyright 2001-2023 The Apache Software Foundation
@@ -24,3 +13,10 @@ Copyright 2001-2023 The Apache Software Foundation
 This product includes software developed at
 The Apache Software Foundation (https://www.apache.org/).
 # --- END LICENSE FILE [2.12.0] ---
+# --- BEGIN LICENSE FILE [1.5.4] ---
+Apache Commons Pool
+Copyright 1999-2009 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+# --- END LICENSE FILE [1.5.4] ---