cosmetic: remove alt_ref from vpxenc usage message
cosmetic: remove alt_ref from vpxenc usage message

Undo an automatic transform.

Change-Id: Ie730a6a31b4680b34e54b61691d67c4b3ed2f2aa

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