[Author: thomasvl]
[Author: thomasvl]

Remove the format on the impl, older compilers don't like it.

TBR=mikemorton

qwertme/google-toolbox-for-mac,qwertme/google-toolbox-for-mac,jonreid/google-toolbox-for-mac,jonreid/google-toolbox-for-mac,qwertme/google-toolbox-for-mac,jonreid/google-toolbox-for-mac