jndi: URLS are no longer used. Remove some unused code.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1551238 13f79535-47bb-0310-9956-ffa450edef68
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=55884
Ensure that URLs that are converted to file paths are correctly decoded. The primary use is to ensure that %20 sequences are converted to spaces.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1551240 13f79535-47bb-0310-9956-ffa450edef68