DERBY-6463  localcal demo seems to be obsolete and should be removed

Removed localcal directory, modified HTML files that referred to it.

Patch: DERBY-6463-2.diff


git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1564508 13f79535-47bb-0310-9956-ffa450edef68
DERBY-6463 localcal demo seems to be obsolete and should be removed

Removed build file that referred to obsolete demos.

Patch: DERBY-6463-2.diff



git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1564513 13f79535-47bb-0310-9956-ffa450edef68