Remove some dead code
Remove some dead code

Change-Id: I0953a3b28758811f9d6a85787850e77592bd7670

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