remove old armv5 code
remove old armv5 code

armv5 dequantizer is not referenced

Change-Id: Id1cc617dcee35ebd6a406816ec6aaa26e8bbc8ad

hsueceumd/test_hui,turbulenz/libvpx,shacklettbp/aom,vasilvv/esvp8,thdav/aom,jmvalin/aom,ShiftMediaProject/libvpx,altogother/webm.libvpx,zofuthan/libvpx,Laknot/libvpx,vasilvv/esvp8,shareefalis/libvpx,lyx2014/libvpx_c,shareefalis/libvpx,zofuthan/libvpx,shyamalschandra/libvpx,mbebenita/aom,goodleixiao/vpx,gshORTON/webm.libvpx,Maria1099/webm.libvpx,jacklicn/webm.libvpx,smarter/aom,openpeer/libvpx_new,zofuthan/libvpx,kleopatra999/webm.libvpx,matanbs/vp982,running770/libvpx,mbebenita/aom,Topopiccione/libvpx,sanyaade-teachings/libvpx,iniwf/webm.libvpx,rikaunite/gst-opera_libvpx,WebRTC-Labs/libvpx,Maria1099/webm.libvpx,Acidburn0zzz/webm.libvpx,WebRTC-Labs/libvpx,turbulenz/libvpx,hsueceumd/test_hui,Suvarna1488/webm.libvpx,abwiz0086/webm.libvpx,Laknot/libvpx,altogother/webm.libvpx,ittiamvpx/libvpx,jdm/libvpx,matanbs/webm.libvpx,cinema6/libvpx,cinema6/libvpx,thdav/aom,vasilvv/esvp8,turbulenz/libvpx,mbebenita/aom,jdm/libvpx,shareefalis/libvpx,stewnorriss/libvpx,iniwf/webm.libvpx,jacklicn/webm.libvpx,liqianggao/libvpx,stewnorriss/libvpx,jacklicn/webm.libvpx,zofuthan/libvpx,jacklicn/webm.libvpx,lyx2014/libvpx_c,GrokImageCompression/aom,ittiamvpx/libvpx-1,Acidburn0zzz/webm.libvpx,vasilvv/esvp8,cinema6/libvpx,running770/libvpx,vasilvv/esvp8,mbebenita/aom,kim42083/webm.libvpx,VTCSecureLLC/libvpx,matanbs/vp982,felipebetancur/libvpx,Distrotech/libvpx,felipebetancur/libvpx,shacklettbp/aom,mwgoldsmith/vpx,shacklettbp/aom,smarter/aom,felipebetancur/libvpx,jmvalin/aom,liqianggao/libvpx,Laknot/libvpx,Maria1099/webm.libvpx,hsueceumd/test_hui,openpeer/libvpx_new,matanbs/vp982,GrokImageCompression/aom,genesi/libvpx0,goodleixiao/vpx,shyamalschandra/libvpx,turbulenz/libvpx,charup/https---github.com-webmproject-libvpx-,matanbs/webm.libvpx,jdm/libvpx,shareefalis/libvpx,mwgoldsmith/vpx,Maria1099/webm.libvpx,ittiamvpx/libvpx,abwiz0086/webm.libvpx,running770/libvpx,reimaginemedia/webm.libvpx,Topopiccione/libvpx,altogother/webm.libvpx,ittiamvpx/libvpx,genesi/libvpx0,openpeer/libvpx_new,jacklicn/webm.libvpx,luctrudeau/aom,gshORTON/webm.libvpx,shareefalis/libvpx,ittiamvpx/libvpx-1,stewnorriss/libvpx,ittiamvpx/libvpx-1,matanbs/vp982,jdm/libvpx,felipebetancur/libvpx,pcwalton/libvpx,GrokImageCompression/aom,awatry/libvpx.opencl,liqianggao/libvpx,GrokImageCompression/aom,matanbs/vp982,VTCSecureLLC/libvpx,webmproject/libvpx,mwgoldsmith/libvpx,n4t/libvpx,kalli123/webm.libvpx,Topopiccione/libvpx,Acidburn0zzz/webm.libvpx,n4t/libvpx,WebRTC-Labs/libvpx,webmproject/libvpx,cinema6/libvpx,gshORTON/webm.libvpx,Laknot/libvpx,sanyaade-teachings/libvpx,goodleixiao/vpx,running770/libvpx,Suvarna1488/webm.libvpx,mwgoldsmith/libvpx,VTCSecureLLC/libvpx,pcwalton/libvpx,mbebenita/aom,ittiamvpx/libvpx-1,kalli123/webm.libvpx,mwgoldsmith/libvpx,jdm/libvpx,Maria1099/webm.libvpx,WebRTC-Labs/libvpx,cinema6/libvpx,jdm/libvpx,shyamalschandra/libvpx,mbebenita/aom,Suvarna1488/webm.libvpx,altogother/webm.libvpx,genesi/libvpx0,Maria1099/webm.libvpx,mbebenita/aom,genesi/libvpx0,VTCSecureLLC/libvpx,vasilvv/esvp8,ShiftMediaProject/libvpx,rikaunite/gst-opera_libvpx,altogother/webm.libvpx,turbulenz/libvpx,hsueceumd/test_hui,luctrudeau/aom,n4t/libvpx,genesi/libvpx0,kim42083/webm.libvpx,matanbs/webm.libvpx,mbebenita/aom,Topopiccione/libvpx,pcwalton/libvpx,kalli123/webm.libvpx,thdav/aom,shyamalschandra/libvpx,smarter/aom,abwiz0086/webm.libvpx,thdav/aom,kim42083/webm.libvpx,smarter/aom,luctrudeau/aom,Distrotech/libvpx,Acidburn0zzz/webm.libvpx,thdav/aom,Distrotech/libvpx,zofuthan/libvpx,mwgoldsmith/vpx,abwiz0086/webm.libvpx,mbebenita/aom,mwgoldsmith/vpx,cinema6/libvpx,liqianggao/libvpx,lyx2014/libvpx_c,openpeer/libvpx_new,luctrudeau/aom,kim42083/webm.libvpx,mwgoldsmith/libvpx,kleopatra999/webm.libvpx,jmvalin/aom,rikaunite/gst-opera_libvpx,gshORTON/webm.libvpx,turbulenz/libvpx,mwgoldsmith/vpx,VTCSecureLLC/libvpx,ittiamvpx/libvpx,webmproject/libvpx,running770/libvpx,altogother/webm.libvpx,abwiz0086/webm.libvpx,mwgoldsmith/libvpx,jacklicn/webm.libvpx,webmproject/libvpx,matanbs/webm.libvpx,zofuthan/libvpx,hsueceumd/test_hui,kalli123/webm.libvpx,rikaunite/gst-opera_libvpx,mwgoldsmith/libvpx,luctrudeau/aom,webmproject/libvpx,GrokImageCompression/aom,smarter/aom,VTCSecureLLC/libvpx,hsueceumd/test_hui,kalli123/webm.libvpx,jmvalin/aom,kleopatra999/webm.libvpx,WebRTC-Labs/libvpx,openpeer/libvpx_new,jmvalin/aom,ittiamvpx/libvpx,shacklettbp/aom,matanbs/webm.libvpx,jmvalin/aom,kim42083/webm.libvpx,lyx2014/libvpx_c,n4t/libvpx,reimaginemedia/webm.libvpx,Distrotech/libvpx,iniwf/webm.libvpx,kleopatra999/webm.libvpx,reimaginemedia/webm.libvpx,Topopiccione/libvpx,ittiamvpx/libvpx,n4t/libvpx,abwiz0086/webm.libvpx,shareefalis/libvpx,charup/https---github.com-webmproject-libvpx-,stewnorriss/libvpx,lyx2014/libvpx_c,reimaginemedia/webm.libvpx,Suvarna1488/webm.libvpx,iniwf/webm.libvpx,ShiftMediaProject/libvpx,Laknot/libvpx,Suvarna1488/webm.libvpx,thdav/aom,sanyaade-teachings/libvpx,gshORTON/webm.libvpx,cinema6/libvpx,goodleixiao/vpx,genesi/libvpx0,iniwf/webm.libvpx,luctrudeau/aom,ShiftMediaProject/libvpx,awatry/libvpx.opencl,pcwalton/libvpx,reimaginemedia/webm.libvpx,smarter/aom,Topopiccione/libvpx,Distrotech/libvpx,rikaunite/gst-opera_libvpx,Suvarna1488/webm.libvpx,webmproject/libvpx,charup/https---github.com-webmproject-libvpx-,liqianggao/libvpx,charup/https---github.com-webmproject-libvpx-,stewnorriss/libvpx,lyx2014/libvpx_c,matanbs/webm.libvpx,Distrotech/libvpx,pcwalton/libvpx,matanbs/vp982,openpeer/libvpx_new,kim42083/webm.libvpx,goodleixiao/vpx,shyamalschandra/libvpx,reimaginemedia/webm.libvpx,running770/libvpx,turbulenz/libvpx,stewnorriss/libvpx,iniwf/webm.libvpx,ittiamvpx/libvpx-1,Acidburn0zzz/webm.libvpx,Laknot/libvpx,turbulenz/libvpx,charup/https---github.com-webmproject-libvpx-,charup/https---github.com-webmproject-libvpx-,awatry/libvpx.opencl,liqianggao/libvpx,GrokImageCompression/aom,Acidburn0zzz/webm.libvpx,mwgoldsmith/vpx,shacklettbp/aom,pcwalton/libvpx,gshORTON/webm.libvpx,felipebetancur/libvpx,shyamalschandra/libvpx,matanbs/vp982,felipebetancur/libvpx,ittiamvpx/libvpx-1,turbulenz/libvpx,goodleixiao/vpx,sanyaade-teachings/libvpx,kleopatra999/webm.libvpx,awatry/libvpx.opencl,kalli123/webm.libvpx,kleopatra999/webm.libvpx,sanyaade-teachings/libvpx,shacklettbp/aom,ShiftMediaProject/libvpx,vasilvv/esvp8