remove typo from setupdbfix

originally had an extra 's' at the end of routeparameters, breaking
aliases.

Fixes: #33

setupdb.sh

@@ -75,7 +75,7 @@ sudo -u postgres psql -c "CREATE TABLE aliasRoutes(
     aliasName text PRIMARY KEY,
     freelancerID int,
     route text,
-    routeParameters text
+    routeParameter text
     );
 " cavecomm
 sudo -u postgres psql cavecomm -c "GRANT ALL ON ALL FUNCTIONS IN SCHEMA public to cavecommadmin;"