Remove redundand array initialization.

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1612638 13f79535-47bb-0310-9956-ffa450edef68
Remove more redundant array initialization.

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1612644 13f79535-47bb-0310-9956-ffa450edef68
Remove several redundant type casts.

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1612647 13f79535-47bb-0310-9956-ffa450edef68
Remove caught and immediately rethrown IOException.

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1612648 13f79535-47bb-0310-9956-ffa450edef68