Revert "update default mapping to facilitate singe event type, be stingy about doc_value/norms/etc."
Revert "update default mapping to facilitate singe event type, be stingy about doc_value/norms/etc."

This reverts commit 98d560f7aa2426ecccb9b71ccd836578d74d256f.

mpurzynski/MozDef,gdestuynder/MozDef,jeffbryner/MozDef,mozilla/MozDef,jeffbryner/MozDef,gdestuynder/MozDef,mpurzynski/MozDef,jeffbryner/MozDef,mpurzynski/MozDef,Phrozyn/MozDef,mozilla/MozDef,Phrozyn/MozDef,mpurzynski/MozDef,gdestuynder/MozDef,gdestuynder/MozDef,Phrozyn/MozDef,mozilla/MozDef,mozilla/MozDef,jeffbryner/MozDef,Phrozyn/MozDef