Get rid of MdVB's grants in acknowledgements section

Author: Miguel de Val-Borro

acfits.tex

@@ -1683,8 +1683,6 @@ \section{Acknowledgments}
 The authors wish to thank Bill Pence and Rob Seaman for many insightful
 discussions.  We thank Bob Hanisch and Michael Wise for providing
 helpful comments that improved the contents of this paper.
-MdVB acknowledges partial support from grants NSF AST-1108686 and NASA
-NNX12AH91H.
 
 This research has made use of NASA's Astrophysics Data System.