test: remove Date tags and non-printing chars for write-video-test.sh

git-svn-id: svn://dev.exiv2.org/svn@3179 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3
test: remove Date tags and non-printing chars for write-video-test.sh

git-svn-id: svn://dev.exiv2.org/svn@3180 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3
test: remove Date tags and non-printing chars for write-video-test.sh

git-svn-id: svn://dev.exiv2.org/svn@3181 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3
test: remove Date tags and non-printing chars for video-test.sh

git-svn-id: svn://dev.exiv2.org/svn@3182 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3