finance: don't include subsidies in theoretic total

Subsidies paid for night and travel costs are expected to be listed
in the bills of the associated statement. Hence, they should not be
counted a second time in the theoretic total. This affects LJP
and SJR applications.

jdav_web/finance/models.py

@@ -366,7 +366,13 @@ class Statement(CommonModel):
 
     @property
     def total_theoretic(self):
-        return self.total_bills_theoretic + self.total_staff
+        """
+        The theoretic total used in SJR and LJP applications. This is the sum of all
+        bills (ignoring whether they are paid by the association or not) plus the
+        total allowance. This does not include the subsidies for night and travel costs,
+        since they are expected to be included in the bills.
+        """
+        return self.total_bills_theoretic + self.total_allowance
 
     def total_pretty(self):
         return "{}€".format(self.total)

jdav_web/members/templates/members/seminar_report.tex

@@ -146,8 +146,6 @@
     \textbf{Beschreibung} & \textbf{Betrag} \\
     \midrule
     Aufwandsentschädigung & {{ memberlist.statement.total_allowance }} € \\
-    Fahrtkosten & {{ memberlist.statement.total_transportation }} € \\
-    Übernachtungskosten & {{ memberlist.statement.total_nights }} € \\
     {% for bill in memberlist.statement.grouped_bills %}
         {{ bill.short_description|esc_all }} & {{ bill.amount }} € \\
     {% endfor %}