Fixed a problem in email sending when attach/embed flag was removed.

testloan.json

@@ -1,5 +1,4 @@
 {
-  "htmlTemplate": "statement.pdf.jinja",
   "parameters": {
     "monthly_payment": 589.0,
     "interest_rate": 6.5,
@@ -12,8 +11,6 @@
     "periods_per_year": 12,
     "periods": 18
   },
-  "format": "html",
-  "txtTemplate": "statement.txt.jinja",
   "lender": {
     "city": "Washington",
     "name": "Test Lender",
@@ -100,15 +97,11 @@
     "address": "301 N Beauregard St Apt 203"
   },
   "email": {
-    "body": "Your test loan statement is attached.",
     "to_address": "jkent3rd@gmail.com",
     "from_address": "jkent3rd@gmail.com",
-    "text": "Please see your most recent test account statement.",
+    "subject": "Your test loan statement...",
+    "body": "Your test loan statement is attached.",
     "server": "smtp.gmail.com",
-    "send_text": "true",
-    "template": "./template.txt",
-    "send_pdf": "true",
-    "password": "pvyrbcnzrjoizprn",
-    "subject": "Your test loan statement..."
+    "password": "pvyrbcnzrjoizprn"
   }
 }