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

doc/licenses/mybatis/NOTICE

@@ -2,11 +2,18 @@
 # URL:     http://www.mybatis.org/mybatis-3/
 # From:    'MyBatis' (http://www.mybatis.org/)
 # License: Apache v2.0
+# Source:  https://raw.githubusercontent.com/mybatis/mybatis-3/refs/tags/mybatis-${VERSION}/NOTICE
 #
-# --- BEGIN LICENSE FILE ---
+# --- BEGIN LICENSE FILE [3.5.19] ---
+MyBatis
+Copyright 2010-2023
+
+This product includes software developed by
+The MyBatis Team (https://www.mybatis.org/).
+
 iBATIS
    This product includes software developed by
-   The Apache Software Foundation (http://www.apache.org/).
+   The Apache Software Foundation (https://www.apache.org/).
 
    Copyright 2010 The Apache Software Foundation
 
@@ -48,4 +55,4 @@ Refactored SqlBuilder class (SQL, AbstractSQL)
    Adam Gent (https://gist.github.com/3650165)
 
    Copyright 2010 Adam Gent
-# --- END LICENSE FILE ---
+# --- END LICENSE FILE [3.5.19] ---