doc: remove double newline
@@ -299,7 +299,6 @@ The [hashsums are:](https://github.com/ElektraInitiative/ftp/blob/master/release
- sha1: a08df79301d56dd8f3711efa1b78b5a4d003d42f
- sha256: 834da360170daa632bbb46dd2e819271327dce1c51be1d7bb2ec22311ded54cb
-
The release tarball is also available signed using GnuPG from
[here](https://www.libelektra.org/ftp/elektra/releases/elektra-0.9.9.tar.gz.gpg) or on
[GitHub](https://github.com/ElektraInitiative/ftp/blob/master/releases/elektra-0.9.9.tar.gz.gpg?raw=true)
