force :none in dev mode so cljs-devtools doesn't complain
force :none in dev mode so cljs-devtools doesn't complain

:optimzations is only relevant in release mode but the config
still may set it. this doesn't have any effect other than
making cljs-devtools happy. maybe others check this option
as well.

thheller/shadow-cljs,thheller/shadow-devtools,thheller/shadow-cljs,thheller/shadow-cljs,thheller/shadow-devtools,thheller/shadow-devtools,thheller/shadow-cljs,thheller/shadow-devtools