Added TODOs for two unused #defines
Added TODOs for two unused #defines

Change-Id: I70407e9350147d6585667f157d9cfe78c6251d26

luctrudeau/aom,zofuthan/libvpx,mwgoldsmith/vpx,openpeer/libvpx_new,smarter/aom,liqianggao/libvpx,smarter/aom,felipebetancur/libvpx,mbebenita/aom,Topopiccione/libvpx,zofuthan/libvpx,jmvalin/aom,smarter/aom,mbebenita/aom,thdav/aom,thdav/aom,shacklettbp/aom,luctrudeau/aom,shacklettbp/aom,VTCSecureLLC/libvpx,running770/libvpx,jmvalin/aom,VTCSecureLLC/libvpx,mbebenita/aom,shyamalschandra/libvpx,ittiamvpx/libvpx-1,liqianggao/libvpx,webmproject/libvpx,zofuthan/libvpx,thdav/aom,GrokImageCompression/aom,GrokImageCompression/aom,VTCSecureLLC/libvpx,mwgoldsmith/vpx,felipebetancur/libvpx,liqianggao/libvpx,thdav/aom,ittiamvpx/libvpx-1,running770/libvpx,luctrudeau/aom,mbebenita/aom,mwgoldsmith/libvpx,jmvalin/aom,shyamalschandra/libvpx,mwgoldsmith/libvpx,VTCSecureLLC/libvpx,mwgoldsmith/vpx,mbebenita/aom,ittiamvpx/libvpx-1,shacklettbp/aom,ShiftMediaProject/libvpx,mwgoldsmith/vpx,felipebetancur/libvpx,GrokImageCompression/aom,felipebetancur/libvpx,shyamalschandra/libvpx,VTCSecureLLC/libvpx,Topopiccione/libvpx,webmproject/libvpx,shyamalschandra/libvpx,webmproject/libvpx,smarter/aom,thdav/aom,mwgoldsmith/vpx,ittiamvpx/libvpx-1,GrokImageCompression/aom,GrokImageCompression/aom,running770/libvpx,zofuthan/libvpx,openpeer/libvpx_new,ittiamvpx/libvpx-1,mwgoldsmith/vpx,mbebenita/aom,running770/libvpx,luctrudeau/aom,running770/libvpx,Topopiccione/libvpx,openpeer/libvpx_new,openpeer/libvpx_new,zofuthan/libvpx,jmvalin/aom,Topopiccione/libvpx,smarter/aom,jmvalin/aom,mbebenita/aom,running770/libvpx,mwgoldsmith/libvpx,webmproject/libvpx,openpeer/libvpx_new,mbebenita/aom,felipebetancur/libvpx,VTCSecureLLC/libvpx,luctrudeau/aom,zofuthan/libvpx,shacklettbp/aom,mwgoldsmith/libvpx,openpeer/libvpx_new,mwgoldsmith/libvpx,thdav/aom,liqianggao/libvpx,mbebenita/aom,ShiftMediaProject/libvpx,GrokImageCompression/aom,smarter/aom,Topopiccione/libvpx,shyamalschandra/libvpx,ittiamvpx/libvpx-1,jmvalin/aom,mwgoldsmith/libvpx,shacklettbp/aom,felipebetancur/libvpx,webmproject/libvpx,liqianggao/libvpx,webmproject/libvpx,Topopiccione/libvpx,ShiftMediaProject/libvpx,shacklettbp/aom,ShiftMediaProject/libvpx,luctrudeau/aom,shyamalschandra/libvpx,liqianggao/libvpx,ShiftMediaProject/libvpx