Fix bugs from refactor!

api/models/users.js

@@ -35,7 +35,7 @@ const register = async (user = {}) => {
 		{
 			hk: user.email,
 			password: user.password,
-		}).promise();
+		});
 };
 
 /**
@@ -51,12 +51,9 @@ const getByEmail = async (email) => {
 		throw new Error(`"${email}" is not a valid email address`);
 	}
 
-	let user = await db.getByKey(email).promise();
+	let user = await db.getByKey(email);
 
 	user = user.Items && user.Items[0] ? user.Items[0] : null;
-	if (user) {
-		user = convertToPublicFormat(user);
-	}
 	return user;
 };
 
@@ -70,12 +67,9 @@ const getById = async (id) => {
 		throw new Error(`"id" is required`);
 	}
 
-	let user = await db.getById(`user`, id).promise();
+	let user = await db.getById(`user`, id);
 
 	user = user.Items && user.Items[0] ? user.Items[0] : null;
-	if (user) {
-		user = convertToPublicFormat(user);
-	}
 	return user;
 };