Fix BSD license rule format per maintainer feedback

Use standard ScanCode metadata fields for copyright, holders, and URLs.
Keep rule body as plain text matching actual license notice.

Signed-off-by: Jayant Saxena <jayantmcom@gmail.com>

Author: Jayant-kernel

src/licensedcode/data/rules/bsd-new_jline_xml.RULE

@@ -8,12 +8,10 @@ ignorable_holders:
     - the original author or authors
 ignorable_urls:
     - https://opensource.org/licenses/BSD-3-Clause
-notes: |
-    License notice found in XML comments of JLine project POM files.
-    Appears in jline-console, jline-style, and jline-reader modules.
+notes: License notice found in XML comments of JLine project POM files
 ---
 
-Copyright (c) 2002-2020, the original author or authors.
 This software is distributable under the BSD license. See the terms of the
 BSD license in the documentation provided with this software.
+
 https://opensource.org/licenses/BSD-3-Clause