Removed code not in use
Removed code not in use

As intra coded blocks are always decoded using decode_sb_intra(), this
commmit removed the code no longer in use.

Change-Id: I09f14fa9cdc875656e8fbe245f72c8fd83b9e31e

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