Revert "Save project upon loading to trigger validation."
Revert "Save project upon loading to trigger validation."

Some browsers cache old versions of code and when
you load these up, this save operation causes the
cached version to overwrite the newer version on
disk.

This reverts commit c0852de829d9a9ae1022ac3b4eb72bd4348e1c9c.

isaacs/tilemill,Zhao-Qi/tilemill,fxtentacle/tilemill,florianf/tileoven,mbrukman/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,Zhao-Qi/tilemill,paulovieira/tilemill-clima,Zhao-Qi/tilemill,paulovieira/tilemill-clima,tizzybec/tilemill,Zhao-Qi/tilemill,paulovieira/tilemill-clima,MappingKat/tilemill,paulovieira/tilemill-clima,MappingKat/tilemill,makinacorpus/tilemill,nyimbi/tilemill,mbrukman/tilemill,mbrukman/tilemill,isaacs/tilemill,nyimbi/tilemill,nyimbi/tilemill,fxtentacle/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,fxtentacle/tilemill,makinacorpus/tilemill,nyimbi/tilemill,MappingKat/tilemill,tilemill-project/tilemill,florianf/tileoven,mbrukman/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,tizzybec/tilemill,fxtentacle/tilemill,Zhao-Qi/tilemill,tizzybec/tilemill,fxtentacle/tilemill,paulovieira/tilemill-clima,Teino1978-Corp/Teino1978-Corp-tilemill,florianf/tileoven,tilemill-project/tilemill,tilemill-project/tilemill,MappingKat/tilemill,MappingKat/tilemill,mbrukman/tilemill,tizzybec/tilemill,isaacs/tilemill,tizzybec/tilemill,nyimbi/tilemill