Superfluous return type in methods ending in ?

[dduugg]

This can be reproduced by viewing the documentation for SigHandler#processable_method? on the repo itself:

This is due to yard adding a Boolean return type to methods that end in ?:
https://github.com/lsegal/yard/blob/b589fa0/lib/yard/handlers/ruby/method_handler.rb#L42-L43
https://github.com/lsegal/yard/blob/b589fa0/lib/yard/handlers/common/method_handler.rb#L8

This is redundant in the best case, but can also result in incorrect documentation in instances where the return type is not a Boolean (a bad practice for such method names, but something we should still allow overriding).