fix invalid string substitution

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
remove dry run flag that does nothing

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
update changelog

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
remove useless if dry run conditions

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
v1.3.5