Interfaces: removed unneeded methods from the Issue class for our JavaScript bindings.
Interfaces: removed unneeded methods from the Issue class for our JavaScript bindings.

nickerso/libcellml,hsorby/libcellml,cellml/libcellml,hsorby/libcellml,hsorby/libcellml,nickerso/libcellml,nickerso/libcellml,nickerso/libcellml,cellml/libcellml,cellml/libcellml,hsorby/libcellml,cellml/libcellml