code cleanup
code cleanup

Removed unused function.

Change-Id: Icb12a09e4d303968be6aec9fae1ef05935913a4f

goodleixiao/vpx,kim42083/webm.libvpx,shareefalis/libvpx,smarter/aom,shacklettbp/aom,Topopiccione/libvpx,n4t/libvpx,sanyaade-teachings/libvpx,webmproject/libvpx,lyx2014/libvpx_c,goodleixiao/vpx,Laknot/libvpx,luctrudeau/aom,Acidburn0zzz/webm.libvpx,turbulenz/libvpx,felipebetancur/libvpx,jmvalin/aom,n4t/libvpx,webmproject/libvpx,WebRTC-Labs/libvpx,kleopatra999/webm.libvpx,VTCSecureLLC/libvpx,pcwalton/libvpx,smarter/aom,Maria1099/webm.libvpx,jacklicn/webm.libvpx,shareefalis/libvpx,cinema6/libvpx,Suvarna1488/webm.libvpx,jdm/libvpx,stewnorriss/libvpx,mbebenita/aom,iniwf/webm.libvpx,mwgoldsmith/libvpx,Maria1099/webm.libvpx,running770/libvpx,VTCSecureLLC/libvpx,stewnorriss/libvpx,kim42083/webm.libvpx,jacklicn/webm.libvpx,altogother/webm.libvpx,ShiftMediaProject/libvpx,iniwf/webm.libvpx,jdm/libvpx,kim42083/webm.libvpx,kleopatra999/webm.libvpx,abwiz0086/webm.libvpx,webmproject/libvpx,lyx2014/libvpx_c,GrokImageCompression/aom,lyx2014/libvpx_c,jdm/libvpx,matanbs/webm.libvpx,mwgoldsmith/libvpx,mwgoldsmith/vpx,Acidburn0zzz/webm.libvpx,mbebenita/aom,mbebenita/aom,liqianggao/libvpx,charup/https---github.com-webmproject-libvpx-,mwgoldsmith/vpx,mbebenita/aom,GrokImageCompression/aom,ShiftMediaProject/libvpx,mbebenita/aom,shacklettbp/aom,Laknot/libvpx,smarter/aom,abwiz0086/webm.libvpx,mwgoldsmith/vpx,charup/https---github.com-webmproject-libvpx-,n4t/libvpx,n4t/libvpx,running770/libvpx,zofuthan/libvpx,cinema6/libvpx,mwgoldsmith/libvpx,iniwf/webm.libvpx,reimaginemedia/webm.libvpx,Distrotech/libvpx,turbulenz/libvpx,ittiamvpx/libvpx,gshORTON/webm.libvpx,mwgoldsmith/vpx,gshORTON/webm.libvpx,Acidburn0zzz/webm.libvpx,WebRTC-Labs/libvpx,matanbs/webm.libvpx,Topopiccione/libvpx,jmvalin/aom,kalli123/webm.libvpx,turbulenz/libvpx,GrokImageCompression/aom,matanbs/vp982,hsueceumd/test_hui,matanbs/vp982,turbulenz/libvpx,ittiamvpx/libvpx,mbebenita/aom,iniwf/webm.libvpx,shacklettbp/aom,running770/libvpx,stewnorriss/libvpx,altogother/webm.libvpx,jacklicn/webm.libvpx,altogother/webm.libvpx,ittiamvpx/libvpx-1,Distrotech/libvpx,thdav/aom,zofuthan/libvpx,Maria1099/webm.libvpx,gshORTON/webm.libvpx,ShiftMediaProject/libvpx,turbulenz/libvpx,zofuthan/libvpx,Distrotech/libvpx,Suvarna1488/webm.libvpx,hsueceumd/test_hui,felipebetancur/libvpx,stewnorriss/libvpx,jdm/libvpx,luctrudeau/aom,mwgoldsmith/vpx,running770/libvpx,jacklicn/webm.libvpx,VTCSecureLLC/libvpx,altogother/webm.libvpx,zofuthan/libvpx,zofuthan/libvpx,reimaginemedia/webm.libvpx,hsueceumd/test_hui,thdav/aom,matanbs/webm.libvpx,mwgoldsmith/libvpx,abwiz0086/webm.libvpx,Suvarna1488/webm.libvpx,thdav/aom,sanyaade-teachings/libvpx,shareefalis/libvpx,openpeer/libvpx_new,Acidburn0zzz/webm.libvpx,cinema6/libvpx,shyamalschandra/libvpx,mwgoldsmith/vpx,cinema6/libvpx,jdm/libvpx,thdav/aom,smarter/aom,abwiz0086/webm.libvpx,matanbs/vp982,zofuthan/libvpx,jmvalin/aom,turbulenz/libvpx,stewnorriss/libvpx,matanbs/webm.libvpx,matanbs/vp982,turbulenz/libvpx,openpeer/libvpx_new,iniwf/webm.libvpx,kleopatra999/webm.libvpx,liqianggao/libvpx,felipebetancur/libvpx,openpeer/libvpx_new,kleopatra999/webm.libvpx,VTCSecureLLC/libvpx,luctrudeau/aom,turbulenz/libvpx,goodleixiao/vpx,ittiamvpx/libvpx,thdav/aom,Laknot/libvpx,reimaginemedia/webm.libvpx,kalli123/webm.libvpx,kleopatra999/webm.libvpx,iniwf/webm.libvpx,pcwalton/libvpx,shareefalis/libvpx,shyamalschandra/libvpx,jdm/libvpx,ittiamvpx/libvpx,mbebenita/aom,openpeer/libvpx_new,Acidburn0zzz/webm.libvpx,Distrotech/libvpx,WebRTC-Labs/libvpx,shacklettbp/aom,jmvalin/aom,hsueceumd/test_hui,altogother/webm.libvpx,Topopiccione/libvpx,Distrotech/libvpx,charup/https---github.com-webmproject-libvpx-,Suvarna1488/webm.libvpx,mbebenita/aom,matanbs/webm.libvpx,liqianggao/libvpx,hsueceumd/test_hui,Suvarna1488/webm.libvpx,webmproject/libvpx,thdav/aom,altogother/webm.libvpx,mwgoldsmith/libvpx,cinema6/libvpx,webmproject/libvpx,Distrotech/libvpx,goodleixiao/vpx,kleopatra999/webm.libvpx,openpeer/libvpx_new,hsueceumd/test_hui,luctrudeau/aom,WebRTC-Labs/libvpx,mwgoldsmith/libvpx,Maria1099/webm.libvpx,shyamalschandra/libvpx,pcwalton/libvpx,jacklicn/webm.libvpx,Topopiccione/libvpx,lyx2014/libvpx_c,openpeer/libvpx_new,jacklicn/webm.libvpx,sanyaade-teachings/libvpx,shacklettbp/aom,mbebenita/aom,shareefalis/libvpx,kim42083/webm.libvpx,charup/https---github.com-webmproject-libvpx-,lyx2014/libvpx_c,WebRTC-Labs/libvpx,reimaginemedia/webm.libvpx,ittiamvpx/libvpx,running770/libvpx,smarter/aom,Topopiccione/libvpx,Maria1099/webm.libvpx,cinema6/libvpx,charup/https---github.com-webmproject-libvpx-,shareefalis/libvpx,gshORTON/webm.libvpx,sanyaade-teachings/libvpx,Topopiccione/libvpx,reimaginemedia/webm.libvpx,ittiamvpx/libvpx,ittiamvpx/libvpx-1,goodleixiao/vpx,jmvalin/aom,lyx2014/libvpx_c,liqianggao/libvpx,luctrudeau/aom,ShiftMediaProject/libvpx,goodleixiao/vpx,Maria1099/webm.libvpx,matanbs/vp982,charup/https---github.com-webmproject-libvpx-,kalli123/webm.libvpx,felipebetancur/libvpx,VTCSecureLLC/libvpx,pcwalton/libvpx,Acidburn0zzz/webm.libvpx,n4t/libvpx,pcwalton/libvpx,Laknot/libvpx,VTCSecureLLC/libvpx,GrokImageCompression/aom,felipebetancur/libvpx,matanbs/webm.libvpx,liqianggao/libvpx,turbulenz/libvpx,shyamalschandra/libvpx,luctrudeau/aom,abwiz0086/webm.libvpx,sanyaade-teachings/libvpx,ShiftMediaProject/libvpx,GrokImageCompression/aom,liqianggao/libvpx,GrokImageCompression/aom,kalli123/webm.libvpx,abwiz0086/webm.libvpx,ittiamvpx/libvpx-1,kalli123/webm.libvpx,pcwalton/libvpx,ittiamvpx/libvpx-1,shacklettbp/aom,ittiamvpx/libvpx-1,stewnorriss/libvpx,gshORTON/webm.libvpx,Laknot/libvpx,kim42083/webm.libvpx,reimaginemedia/webm.libvpx,webmproject/libvpx,Suvarna1488/webm.libvpx,shyamalschandra/libvpx,kalli123/webm.libvpx,kim42083/webm.libvpx,Laknot/libvpx,ittiamvpx/libvpx-1,shyamalschandra/libvpx,matanbs/vp982,felipebetancur/libvpx,jmvalin/aom,gshORTON/webm.libvpx,cinema6/libvpx,running770/libvpx,matanbs/vp982,smarter/aom