This is an automated change to convert use of "function" functions
to arrow functions. This doesn't change all uses of bind() that
could be converted. This also doesn't remove all "function" functions.
Change-Id: I40ac7d086bcef947a1be083359c8fd1d4499a9c3
The isEqualFunc and isNotEqualFunc methods in shaka.util.Functional
are no longer needed.
This removes the last two calls to isNotEqualFunc. There were no
calls to isEqualFunc. Both utility methods can now be dropped.
Change-Id: I9d4de215527982951e84162947ad9b17831eaf44