Revert "Turn on -Wformat-nonliteral."

One of my build aliases doesn't play nice with USE_MINGW=1, so my build lied to me. Will revert until I fix it up.

This reverts commit 7d8fc468e4615cf1bcc9f47f3f98f28c704b205c.

Change-Id: I7905c5ae5ee85fb2d228ce63d81c79f140998c18
9 files changed