Reduce the number of examples in very-long-line-length-in-source-file

DO NOT CLICK THE LINK BELOW

Visiting https://lintian.debian.org/tags/very-long-line-length-in-source-file puts the whole computer into an unresponsive state. Someone on #debian-mentors dug deep and found out that the whole page is 401 MiB. Perhaps, there is no need to show the examples for this specific tag.