PDFBOX-1474: removed catch handler for non existant InvalidPasswordException

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/branches/1.8@1601932 13f79535-47bb-0310-9956-ffa450edef68
revert unrelated local change I accidentally committed

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/branches/1.8@1601933 13f79535-47bb-0310-9956-ffa450edef68