Revert "Don't crash if WindowManager not ready"

This reverts commit 0ba76e176cd2d7fcdee7a12104f7247258dc961f


Having event server crash and be immediately restarted by init if the WindowManager isn't initialized is pretty well harmless. Fixing it uncovered some kind of nasty initialization race condition that completely breaks the unix sockets the event server uses to talk to fbstream and libsensors. /facepalm

Change-Id: Idf1cbc864d0f4b05fc524a6188167a548c1eab99