Remove AgeRange table and first pass of fixing tests

lib/Pear/LocalLoop/Schema/Result/Customer.pm

@@ -23,9 +23,8 @@ __PACKAGE__->add_columns(
     size => 255,
     is_nullable => 0,
   },
-  "age_range_id" => {
+  "year_of_birth" => {
     data_type => "integer",
-    is_foreign_key => 1,
     is_nullable => 0,
   },
   "postcode" => {
@@ -37,13 +36,6 @@ __PACKAGE__->add_columns(
 
 __PACKAGE__->set_primary_key("id");
 
-__PACKAGE__->belongs_to(
-  "age_range",
-  "Pear::LocalLoop::Schema::Result::AgeRange",
-  { id => "age_range_id" },
-  { is_deferrable => 0, on_delete => "NO ACTION", on_update => "NO ACTION" },
-);
-
 __PACKAGE__->might_have(
   "user",
   "Pear::LocalLoop::Schema::Result::User",