Remove unused scaleopt.cpp
Remove unused scaleopt.cpp

Change-Id: Ibaeede61c128c73809332b9a853cd62b8d6d5325

ittiamvpx/libvpx-1,luctrudeau/aom,openpeer/libvpx_new,mwgoldsmith/libvpx,felipebetancur/libvpx,running770/libvpx,goodleixiao/vpx,luctrudeau/aom,gshORTON/webm.libvpx,webmproject/libvpx,smarter/aom,smarter/aom,mbebenita/aom,Suvarna1488/webm.libvpx,VTCSecureLLC/libvpx,openpeer/libvpx_new,jmvalin/aom,VTCSecureLLC/libvpx,GrokImageCompression/aom,mbebenita/aom,jacklicn/webm.libvpx,zofuthan/libvpx,jacklicn/webm.libvpx,mwgoldsmith/vpx,abwiz0086/webm.libvpx,running770/libvpx,ittiamvpx/libvpx-1,mwgoldsmith/libvpx,shyamalschandra/libvpx,Topopiccione/libvpx,zofuthan/libvpx,GrokImageCompression/aom,smarter/aom,Topopiccione/libvpx,thdav/aom,zofuthan/libvpx,shyamalschandra/libvpx,shyamalschandra/libvpx,VTCSecureLLC/libvpx,luctrudeau/aom,mwgoldsmith/libvpx,Topopiccione/libvpx,jmvalin/aom,felipebetancur/libvpx,liqianggao/libvpx,gshORTON/webm.libvpx,liqianggao/libvpx,stewnorriss/libvpx,ShiftMediaProject/libvpx,lyx2014/libvpx_c,lyx2014/libvpx_c,jacklicn/webm.libvpx,mbebenita/aom,VTCSecureLLC/libvpx,running770/libvpx,abwiz0086/webm.libvpx,mbebenita/aom,jmvalin/aom,abwiz0086/webm.libvpx,abwiz0086/webm.libvpx,GrokImageCompression/aom,felipebetancur/libvpx,Suvarna1488/webm.libvpx,lyx2014/libvpx_c,webmproject/libvpx,webmproject/libvpx,thdav/aom,felipebetancur/libvpx,kalli123/webm.libvpx,thdav/aom,ittiamvpx/libvpx-1,gshORTON/webm.libvpx,Topopiccione/libvpx,zofuthan/libvpx,ittiamvpx/libvpx-1,running770/libvpx,stewnorriss/libvpx,thdav/aom,GrokImageCompression/aom,mbebenita/aom,luctrudeau/aom,kalli123/webm.libvpx,webmproject/libvpx,jacklicn/webm.libvpx,shacklettbp/aom,shacklettbp/aom,mbebenita/aom,stewnorriss/libvpx,kalli123/webm.libvpx,mwgoldsmith/libvpx,goodleixiao/vpx,ShiftMediaProject/libvpx,openpeer/libvpx_new,gshORTON/webm.libvpx,luctrudeau/aom,webmproject/libvpx,GrokImageCompression/aom,mwgoldsmith/vpx,jacklicn/webm.libvpx,lyx2014/libvpx_c,gshORTON/webm.libvpx,shacklettbp/aom,VTCSecureLLC/libvpx,kalli123/webm.libvpx,liqianggao/libvpx,Suvarna1488/webm.libvpx,webmproject/libvpx,Topopiccione/libvpx,mwgoldsmith/vpx,smarter/aom,jmvalin/aom,zofuthan/libvpx,shacklettbp/aom,luctrudeau/aom,gshORTON/webm.libvpx,ShiftMediaProject/libvpx,jmvalin/aom,goodleixiao/vpx,shyamalschandra/libvpx,stewnorriss/libvpx,openpeer/libvpx_new,thdav/aom,thdav/aom,goodleixiao/vpx,Topopiccione/libvpx,zofuthan/libvpx,mbebenita/aom,shacklettbp/aom,felipebetancur/libvpx,Suvarna1488/webm.libvpx,shacklettbp/aom,lyx2014/libvpx_c,mbebenita/aom,jacklicn/webm.libvpx,mwgoldsmith/vpx,felipebetancur/libvpx,liqianggao/libvpx,ShiftMediaProject/libvpx,abwiz0086/webm.libvpx,ittiamvpx/libvpx-1,abwiz0086/webm.libvpx,goodleixiao/vpx,kalli123/webm.libvpx,GrokImageCompression/aom,stewnorriss/libvpx,Suvarna1488/webm.libvpx,smarter/aom,mwgoldsmith/vpx,running770/libvpx,mwgoldsmith/libvpx,openpeer/libvpx_new,jmvalin/aom,smarter/aom,shyamalschandra/libvpx,stewnorriss/libvpx,VTCSecureLLC/libvpx,mbebenita/aom,Suvarna1488/webm.libvpx,goodleixiao/vpx,lyx2014/libvpx_c,liqianggao/libvpx,running770/libvpx,kalli123/webm.libvpx,openpeer/libvpx_new,mwgoldsmith/libvpx,shyamalschandra/libvpx,mwgoldsmith/vpx,liqianggao/libvpx,ittiamvpx/libvpx-1,ShiftMediaProject/libvpx