model/mongo.js
function (soajs, combo, cb) {
		checkForMongo(soajs);
		mongo.remove(combo.collection, combo.condition, cb);
	}
function (soajs, combo, cb) {
		checkForMongo(soajs);
		mongo.remove(combo.collection, combo.condition, cb);
	}
Delete an entry from the database
@param {SOAJS Object} soajs
@param {Object} combo
@param {Callback Function} cb