Removing unused typedefs.
Removing unused typedefs.

Change-Id: I34ebc59980cf661ed658555e245bf0a93e5c3373

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