Make SMS templates plausible for hack day

This commit replaces the previous SMS templates.

I’ve written a couple of new ones which are plausible for developers on the
hack day:
- one with placeholders
- one without

app/main/views/_templates.py

@@ -1,39 +1,12 @@
 templates = [
     {
         'type': 'sms',
-        'name': 'Confirmation',
-        'body': 'Lasting power of attorney: We’ve received your application. Applications take between 8 and 10 weeks to process.'  # noqa
+        'name': 'Confirmation with details Jan 2016',
+        'body': '((name)), we’ve received your ((thing)). We’ll contact you again within 1 week.'
     },
     {
         'type': 'sms',
-        'name': 'Reminder',
-        'body': 'Vehicle tax: Your vehicle tax for ((registration number)) expires on ((date)). Tax your vehicle at www.gov.uk/vehicle-tax'  # noqa
-    },
-    {
-        'type': 'sms',
-        'name': 'Warning',
-        'body': 'Vehicle tax: Your vehicle tax for ((registration number)) has expired. Tax your vehicle at www.gov.uk/vehicle-tax'  # noqa
-    },
-    {
-        'type': 'email',
-        'name': 'Application alert 06/2016',
-        'subject': 'Your lasting power of attorney application',
-        'body': """Dear ((name)),
-
-When you’ve made your lasting power of attorney (LPA), you need to register it \
-with the Office of the Public Guardian (OPG).
-
-You can apply to register your LPA yourself if you’re able to make your own decisions.
-
-Your attorney can also register it for you. You’ll be told if they do and you can \
-object to the registration.
-
-It takes between 8 and 10 weeks to register an LPA if there are no mistakes in the application.
-        """
-    },
-    {
-        'type': 'sms',
-        'name': 'Air quality alert',
-        'body': 'Air pollution levels will be ((level)) in ((region)) tomorrow.'
-    },
+        'name': 'Confirmation Jan 2016',
+        'body': 'We’ve received your payment. We’ll contact you again within 1 week.'
+    }
 ]