Revert "Bug 22125: branches.pickup_location should be flagged as boolean"

This reverts commit 92cd2f8ca6.

Koha/Schema/Result/Branch.pm

@@ -627,9 +627,8 @@ __PACKAGE__->has_many(
 # Created by DBIx::Class::Schema::Loader v0.07042 @ 2018-10-09 10:38:33
 # DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:nKWRDScCAwZUDrRhm1kYMA
 
-__PACKAGE__->add_columns(
-    '+pickup_location' => { is_boolean => 1 }
-);
+
+# You can replace this text with custom code or comments, and it will be preserved on regeneration
 
 sub koha_objects_class {
     'Koha::Libraries';