largefiles: remove unused assignments from wrapfunction() The return values from wrapfunction() were never used here. Using the value is also a little tricky and wrappedfunction() should be preferred, so let's just delete the assignments. There's also a bunch of return values from wrapcommand() being assigned to a variable here, but at least that value can be (and is used after some of the assignments). Differential Revision: https://phab.mercurial-scm.org/D618