Revert "cleanup windows build script"
Revert "cleanup windows build script"

This reverts commit 68a1949106546fdb4e1d2eb82fb74cbce48c5510.

stuertz/staged-recipes,johanneskoester/staged-recipes,goanpeca/staged-recipes,jakirkham/staged-recipes,conda-forge/staged-recipes,jakirkham/staged-recipes,johanneskoester/staged-recipes,ocefpaf/staged-recipes,ocefpaf/staged-recipes,ReimarBauer/staged-recipes,conda-forge/staged-recipes,kwilcox/staged-recipes,goanpeca/staged-recipes,hadim/staged-recipes,hadim/staged-recipes,mariusvniekerk/staged-recipes,stuertz/staged-recipes,ReimarBauer/staged-recipes,jochym/staged-recipes,jochym/staged-recipes,kwilcox/staged-recipes,mariusvniekerk/staged-recipes