RTCD: remove unimplemented vp8_short_walsh4x4_mmx
RTCD: remove unimplemented vp8_short_walsh4x4_mmx

This function does not exist.

Change-Id: I84b72fb17d572d5cccee92220467b84c15842d4d

stewnorriss/libvpx,smarter/aom,abwiz0086/webm.libvpx,mwgoldsmith/vpx,Suvarna1488/webm.libvpx,stewnorriss/libvpx,jacklicn/webm.libvpx,kleopatra999/webm.libvpx,Laknot/libvpx,matanbs/webm.libvpx,Distrotech/libvpx,shareefalis/libvpx,awatry/libvpx.opencl,matanbs/vp982,kalli123/webm.libvpx,ittiamvpx/libvpx,jdm/libvpx,hsueceumd/test_hui,Distrotech/libvpx,openpeer/libvpx_new,liqianggao/libvpx,felipebetancur/libvpx,hsueceumd/test_hui,shareefalis/libvpx,ShiftMediaProject/libvpx,shacklettbp/aom,luctrudeau/aom,turbulenz/libvpx,running770/libvpx,webmproject/libvpx,pcwalton/libvpx,mbebenita/aom,n4t/libvpx,Topopiccione/libvpx,pcwalton/libvpx,lyx2014/libvpx_c,matanbs/vp982,WebRTC-Labs/libvpx,WebRTC-Labs/libvpx,openpeer/libvpx_new,cinema6/libvpx,jacklicn/webm.libvpx,Topopiccione/libvpx,felipebetancur/libvpx,altogother/webm.libvpx,GrokImageCompression/aom,mbebenita/aom,Distrotech/libvpx,shacklettbp/aom,zofuthan/libvpx,gshORTON/webm.libvpx,VTCSecureLLC/libvpx,mwgoldsmith/vpx,VTCSecureLLC/libvpx,turbulenz/libvpx,charup/https---github.com-webmproject-libvpx-,Acidburn0zzz/webm.libvpx,GrokImageCompression/aom,matanbs/vp982,cinema6/libvpx,ShiftMediaProject/libvpx,n4t/libvpx,matanbs/vp982,hsueceumd/test_hui,zofuthan/libvpx,webmproject/libvpx,kalli123/webm.libvpx,GrokImageCompression/aom,jacklicn/webm.libvpx,thdav/aom,smarter/aom,Acidburn0zzz/webm.libvpx,vasilvv/esvp8,felipebetancur/libvpx,Acidburn0zzz/webm.libvpx,shacklettbp/aom,stewnorriss/libvpx,Suvarna1488/webm.libvpx,Topopiccione/libvpx,turbulenz/libvpx,webmproject/libvpx,mwgoldsmith/vpx,matanbs/vp982,ittiamvpx/libvpx,reimaginemedia/webm.libvpx,liqianggao/libvpx,altogother/webm.libvpx,abwiz0086/webm.libvpx,shyamalschandra/libvpx,lyx2014/libvpx_c,altogother/webm.libvpx,thdav/aom,charup/https---github.com-webmproject-libvpx-,goodleixiao/vpx,jacklicn/webm.libvpx,Maria1099/webm.libvpx,pcwalton/libvpx,lyx2014/libvpx_c,mbebenita/aom,vasilvv/esvp8,Suvarna1488/webm.libvpx,n4t/libvpx,liqianggao/libvpx,altogother/webm.libvpx,mbebenita/aom,jmvalin/aom,hsueceumd/test_hui,iniwf/webm.libvpx,felipebetancur/libvpx,iniwf/webm.libvpx,matanbs/webm.libvpx,cinema6/libvpx,smarter/aom,iniwf/webm.libvpx,hsueceumd/test_hui,kalli123/webm.libvpx,smarter/aom,lyx2014/libvpx_c,vasilvv/esvp8,turbulenz/libvpx,shareefalis/libvpx,Distrotech/libvpx,WebRTC-Labs/libvpx,matanbs/webm.libvpx,reimaginemedia/webm.libvpx,abwiz0086/webm.libvpx,mbebenita/aom,shyamalschandra/libvpx,matanbs/vp982,awatry/libvpx.opencl,ittiamvpx/libvpx-1,charup/https---github.com-webmproject-libvpx-,kim42083/webm.libvpx,altogother/webm.libvpx,thdav/aom,webmproject/libvpx,ittiamvpx/libvpx-1,jdm/libvpx,felipebetancur/libvpx,pcwalton/libvpx,kalli123/webm.libvpx,goodleixiao/vpx,jacklicn/webm.libvpx,jacklicn/webm.libvpx,shyamalschandra/libvpx,stewnorriss/libvpx,reimaginemedia/webm.libvpx,cinema6/libvpx,vasilvv/esvp8,ShiftMediaProject/libvpx,Maria1099/webm.libvpx,shyamalschandra/libvpx,kalli123/webm.libvpx,cinema6/libvpx,sanyaade-teachings/libvpx,liqianggao/libvpx,gshORTON/webm.libvpx,jmvalin/aom,liqianggao/libvpx,jmvalin/aom,cinema6/libvpx,sanyaade-teachings/libvpx,VTCSecureLLC/libvpx,matanbs/webm.libvpx,mwgoldsmith/libvpx,VTCSecureLLC/libvpx,reimaginemedia/webm.libvpx,luctrudeau/aom,ittiamvpx/libvpx,Distrotech/libvpx,goodleixiao/vpx,openpeer/libvpx_new,kleopatra999/webm.libvpx,pcwalton/libvpx,kim42083/webm.libvpx,pcwalton/libvpx,sanyaade-teachings/libvpx,kleopatra999/webm.libvpx,mwgoldsmith/libvpx,ShiftMediaProject/libvpx,cinema6/libvpx,jdm/libvpx,zofuthan/libvpx,shareefalis/libvpx,stewnorriss/libvpx,reimaginemedia/webm.libvpx,Laknot/libvpx,Laknot/libvpx,luctrudeau/aom,zofuthan/libvpx,shareefalis/libvpx,mwgoldsmith/libvpx,WebRTC-Labs/libvpx,mwgoldsmith/vpx,Suvarna1488/webm.libvpx,Acidburn0zzz/webm.libvpx,felipebetancur/libvpx,VTCSecureLLC/libvpx,Maria1099/webm.libvpx,reimaginemedia/webm.libvpx,awatry/libvpx.opencl,Topopiccione/libvpx,goodleixiao/vpx,hsueceumd/test_hui,luctrudeau/aom,charup/https---github.com-webmproject-libvpx-,jmvalin/aom,kim42083/webm.libvpx,mwgoldsmith/libvpx,shareefalis/libvpx,gshORTON/webm.libvpx,kalli123/webm.libvpx,zofuthan/libvpx,vasilvv/esvp8,gshORTON/webm.libvpx,shacklettbp/aom,jdm/libvpx,ittiamvpx/libvpx-1,Maria1099/webm.libvpx,running770/libvpx,running770/libvpx,webmproject/libvpx,mwgoldsmith/libvpx,Acidburn0zzz/webm.libvpx,running770/libvpx,mbebenita/aom,Laknot/libvpx,luctrudeau/aom,shacklettbp/aom,ittiamvpx/libvpx,Distrotech/libvpx,lyx2014/libvpx_c,n4t/libvpx,matanbs/webm.libvpx,charup/https---github.com-webmproject-libvpx-,shacklettbp/aom,matanbs/vp982,Topopiccione/libvpx,kim42083/webm.libvpx,goodleixiao/vpx,sanyaade-teachings/libvpx,vasilvv/esvp8,altogother/webm.libvpx,thdav/aom,jmvalin/aom,ShiftMediaProject/libvpx,jmvalin/aom,abwiz0086/webm.libvpx,Laknot/libvpx,mbebenita/aom,openpeer/libvpx_new,jdm/libvpx,shyamalschandra/libvpx,GrokImageCompression/aom,abwiz0086/webm.libvpx,awatry/libvpx.opencl,abwiz0086/webm.libvpx,openpeer/libvpx_new,openpeer/libvpx_new,Suvarna1488/webm.libvpx,mbebenita/aom,running770/libvpx,Laknot/libvpx,luctrudeau/aom,n4t/libvpx,Topopiccione/libvpx,smarter/aom,running770/libvpx,ittiamvpx/libvpx-1,lyx2014/libvpx_c,gshORTON/webm.libvpx,goodleixiao/vpx,VTCSecureLLC/libvpx,shyamalschandra/libvpx,kleopatra999/webm.libvpx,mwgoldsmith/libvpx,thdav/aom,ittiamvpx/libvpx-1,GrokImageCompression/aom,smarter/aom,iniwf/webm.libvpx,vasilvv/esvp8,kleopatra999/webm.libvpx,iniwf/webm.libvpx,thdav/aom,turbulenz/libvpx,jdm/libvpx,gshORTON/webm.libvpx,zofuthan/libvpx,ittiamvpx/libvpx,charup/https---github.com-webmproject-libvpx-,GrokImageCompression/aom,kim42083/webm.libvpx,iniwf/webm.libvpx,mwgoldsmith/vpx,kleopatra999/webm.libvpx,webmproject/libvpx,WebRTC-Labs/libvpx,Suvarna1488/webm.libvpx,Acidburn0zzz/webm.libvpx,Maria1099/webm.libvpx,turbulenz/libvpx,liqianggao/libvpx,turbulenz/libvpx,matanbs/webm.libvpx,mbebenita/aom,ittiamvpx/libvpx,turbulenz/libvpx,ittiamvpx/libvpx-1,stewnorriss/libvpx,Maria1099/webm.libvpx,kim42083/webm.libvpx,turbulenz/libvpx,sanyaade-teachings/libvpx,mwgoldsmith/vpx