debian: remove rtslib and configshell from the build dependencies
debian: remove rtslib and configshell from the build dependencies

Signed-off-by: Christophe Vu-Brugier <1930e27f67e1e10d51770b88cb06d386f1aa46ae@fastmail.fm>

cloud4life/targetcli-fb,agrover/targetcli-fb,cvubrugier/targetcli-fb