Revert "preflight check: block all Edge until #4056 is solved"
Revert "preflight check: block all Edge until #4056 is solved"

This reverts commit 6631cb46963b2ffd87771195d1b681d270bb312f.

DrXyzzy/smc,tscholl2/smc,DrXyzzy/smc,DrXyzzy/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc,tscholl2/smc,sagemathinc/smc,tscholl2/smc,sagemathinc/smc,DrXyzzy/smc,sagemathinc/smc