Revert "URL to Cygwin changed from https to http because of problems with a certificate"
Revert "URL to Cygwin changed from https to http because of problems with a certificate"

This reverts commit e83af127f38b90cd1be8ea1ee6f1d79c5b164f81.

joshuawilson/developer-platform-install,dgolovin/developer-platform-install,joshuawilson/developer-platform-install,dgolovin/developer-platform-install,redhat-developer-tooling/developer-platform-install,redhat-developer-tooling/developer-platform-install